Abstract (1397) | Core Tip (1471) | Full Article (HTML) (4001) | Full Article (PDF)-772K (571) | Peer-Review Report-66K (252) | Answering Reviewers-152K (234) | Received: 05/21/2015 | Revised: 07/09/2015 | Accepted: 09/15/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (10) | Total Visits (13077) | Similar Articles (1282) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1413) | Core Tip (1351) | Full Article (HTML) (6449) | Figures (1-2) (605) | Full Article (PDF)-989K (582) | Peer-Review Report-94K (267) | Answering Reviewers-489K (279) | Received: 04/10/2015 | Revised: 05/29/2015 | Accepted: 08/31/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (15) | Total Visits (16654) | Similar Articles (281) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1585) | Core Tip (1796) | Full Article (HTML) (13016) | Figures (1-4) (690) | Tables (1-1) (552) | Full Article (PDF)-1342K (1496) | Peer-Review Report-119K (357) | Answering Reviewers-389K (360) | Received: 04/15/2015 | Revised: 06/17/2015 | Accepted: 09/14/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (113) | Total Visits (27704) | Similar Articles (4) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1644) | Core Tip (1510) | Full Article (HTML) (23603) | Figures (1-2) (2655) | Full Article (PDF)-1922K (1179) | Peer-Review Report-100K (449) | Answering Reviewers-69K (403) | Received: 06/26/2015 | Revised: 07/31/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (66) | Total Visits (39876) | Similar Articles (268) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1452) | Core Tip (1436) | Full Article (HTML) (5923) | Tables (1-3) (611) | Full Article (PDF)-1114K (871) | Peer-Review Report-95K (309) | Answering Reviewers-84K (315) | Received: 04/28/2015 | Revised: 07/11/2015 | Accepted: 08/31/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (25) | Total Visits (16393) | Similar Articles (146) | Timeline of Article Publication (6) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (2054) | Core Tip (1906) | Full Article (HTML) (18579) | Figures (1-3) (4494) | Tables (1-4) (563) | Full Article (PDF)-1313K (1478) | Peer-Review Report-122K (390) | Answering Reviewers-141K (366) | Received: 04/28/2015 | Revised: 07/29/2015 | Accepted: 09/14/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (60) | Total Visits (36385) | Similar Articles (459) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1759) | Core Tip (1628) | Full Article (HTML) (18331) | Tables (1-2) (557) | Full Article (PDF)-1208K (2035) | Peer-Review Report-128K (476) | Answering Reviewers-118K (393) | Received: 04/28/2015 | Revised: 07/23/2015 | Accepted: 09/15/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (286) | Total Visits (33180) | Similar Articles (974) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1667) | Core Tip (1622) | Full Article (HTML) (6490) | Figures (1-1) (634) | Tables (1-1) (605) | Full Article (PDF)-1119K (754) | Peer-Review Report-79K (422) | Answering Reviewers-239K (302) | Received: 05/08/2015 | Revised: 08/08/2015 | Accepted: 09/15/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (18) | Total Visits (18258) | Similar Articles (52) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1866) | Core Tip (1591) | Full Article (HTML) (20980) | Figures (1-2) (563) | Tables (1-2) (547) | Full Article (PDF)-1166K (2262) | Peer-Review Report-82K (353) | Answering Reviewers-10K (420) | Received: 06/16/2015 | Revised: 08/06/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (121) | Total Visits (36461) | Similar Articles (237) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1725) | Core Tip (1651) | Full Article (HTML) (5496) | Figures (1-2) (582) | Tables (1-4) (568) | Full Article (PDF)-1290K (655) | Peer-Review Report-218K (332) | Answering Reviewers-366K (377) | Received: 06/02/2015 | Revised: 07/14/2015 | Accepted: 09/15/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (10) | Total Visits (18182) | Similar Articles (1280) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1528) | Core Tip (1372) | Full Article (HTML) (7275) | Tables (1-3) (661) | Full Article (PDF)-1094K (795) | Peer-Review Report-79K (356) | Answering Reviewers-172K (355) | Received: 04/28/2015 | Revised: 08/14/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (36) | Total Visits (17455) | Similar Articles (1) | Timeline of Article Publication (1) | Authors Evaluation (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1657) | Core Tip (1503) | Full Article (HTML) (8086) | Tables (1-4) (646) | Full Article (PDF)-1226K (996) | Peer-Review Report-92K (375) | Answering Reviewers-63K (336) | Received: 05/09/2015 | Revised: 07/08/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (49) | Total Visits (20313) | Similar Articles (1341) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1605) | Core Tip (1653) | Full Article (HTML) (8591) | Figures (1-3) (648) | Tables (1-1) (570) | Full Article (PDF)-1241K (1076) | Peer-Review Report-93K (379) | Answering Reviewers-358K (404) | Received: 05/21/2015 | Revised: 07/16/2015 | Accepted: 09/22/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (52) | Total Visits (21562) | Similar Articles (332) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1299) | Core Tip (1398) | Full Article (HTML) (8364) | Figures (1-1) (578) | Full Article (PDF)-944K (819) | Peer-Review Report-91K (298) | Answering Reviewers-247K (399) | Received: 04/27/2015 | Revised: 07/11/2015 | Accepted: 09/15/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (130) | Total Visits (19110) | Similar Articles (1480) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1612) | Core Tip (1597) | Full Article (HTML) (14660) | Figures (1-1) (628) | Tables (1-1) (593) | Full Article (PDF)-935K (1075) | Peer-Review Report-79K (324) | Answering Reviewers-144K (398) | Received: 04/27/2015 | Revised: 08/12/2015 | Accepted: 09/15/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (155) | Total Visits (25862) | Similar Articles (1287) | Timeline of Article Publication (2) | Authors Evaluation (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1579) | Core Tip (1582) | Full Article (HTML) (15437) | Figures (1-2) (1446) | Full Article (PDF)-1185K (1395) | Peer-Review Report-87K (354) | Answering Reviewers-132K (415) | Received: 04/27/2015 | Revised: 07/02/2015 | Accepted: 09/15/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (50) | Total Visits (27983) | Similar Articles (666) | Timeline of Article Publication (2) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1418) | Core Tip (1306) | Full Article (HTML) (5071) | Tables (1-5) (618) | Full Article (PDF)-942K (1185) | Peer-Review Report-80K (305) | Answering Reviewers-96K (238) | Received: 04/21/2015 | Revised: 07/21/2015 | Accepted: 09/14/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (33) | Total Visits (14884) | Similar Articles (259) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1504) | Core Tip (1543) | Full Article (HTML) (12152) | Figures (1-1) (559) | Tables (1-5) (561) | Full Article (PDF)-2155K (1010) | Peer-Review Report-170K (369) | Answering Reviewers-443K (456) | Received: 05/28/2015 | Revised: 07/28/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (74) | Total Visits (24523) | Similar Articles (1133) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1467) | Core Tip (1516) | Full Article (HTML) (5424) | Figures (1-2) (557) | Tables (1-1) (571) | Full Article (PDF)-1096K (821) | Peer-Review Report-79K (261) | Answering Reviewers-96K (292) | Received: 04/27/2015 | Revised: 07/07/2015 | Accepted: 09/15/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (31) | Total Visits (15585) | Similar Articles (1135) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1528) | Core Tip (1443) | Full Article (HTML) (8670) | Figures (1-2) (619) | Full Article (PDF)-1507K (965) | Peer-Review Report-99K (428) | Answering Reviewers-176K (396) | Received: 04/28/2015 | Revised: 06/25/2015 | Accepted: 08/31/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (52) | Total Visits (20041) | Similar Articles (1133) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1586) | Core Tip (1580) | Full Article (HTML) (16020) | Tables (1-3) (659) | Full Article (PDF)-995K (1555) | Peer-Review Report-81K (360) | Answering Reviewers-295K (365) | Received: 04/19/2015 | Revised: 06/20/2015 | Accepted: 08/31/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (253) | Total Visits (30545) | Similar Articles (1133) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1333) | Core Tip (1423) | Full Article (HTML) (7817) | Figures (1-2) (722) | Tables (1-3) (543) | Full Article (PDF)-1589K (831) | Peer-Review Report-101K (316) | Answering Reviewers-197K (341) | Received: 04/28/2015 | Revised: 06/18/2015 | Accepted: 08/31/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (36) | Total Visits (20006) | Similar Articles (213) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1624) | Core Tip (1353) | Full Article (HTML) (6245) | Tables (1-3) (561) | Full Article (PDF)-1040K (715) | Peer-Review Report-95K (341) | Answering Reviewers-64K (273) | Received: 05/18/2015 | Revised: 08/06/2015 | Accepted: 09/15/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (37) | Total Visits (16962) | Similar Articles (443) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1570) | Core Tip (1344) | Full Article (HTML) (12434) | Figures (1-1) (615) | Tables (1-4) (621) | Full Article (PDF)-1052K (1695) | Peer-Review Report-94K (366) | Answering Reviewers-142K (359) | Received: 04/28/2015 | Revised: 08/06/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (180) | Total Visits (25442) | Similar Articles (87) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1575) | Core Tip (1574) | Full Article (HTML) (12562) | Figures (1-1) (831) | Tables (1-1) (494) | Full Article (PDF)-1262K (1150) | Peer-Review Report-108K (380) | Answering Reviewers-203K (364) | Received: 04/16/2015 | Revised: 06/19/2015 | Accepted: 09/14/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (46) | Total Visits (24902) | Similar Articles (203) | Timeline of Article Publication (3) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1565) | Core Tip (1838) | Full Article (HTML) (13281) | Tables (1-2) (518) | Full Article (PDF)-948K (980) | Peer-Review Report-91K (378) | Answering Reviewers-166K (425) | Received: 06/27/2015 | Revised: 09/02/2015 | Accepted: 09/15/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (68) | Total Visits (24339) | Similar Articles (147) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1426) | Core Tip (1391) | Full Article (HTML) (6199) | Figures (1-8) (655) | Tables (1-3) (520) | Full Article (PDF)-2831K (902) | Peer-Review Report-97K (303) | Answering Reviewers-83K (441) | Received: 04/14/2015 | Revised: 06/18/2015 | Accepted: 08/31/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (48) | Total Visits (18436) | Similar Articles (143) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1342) | Core Tip (1402) | Full Article (HTML) (7435) | Figures (1-8) (863) | Tables (1-1) (534) | Full Article (PDF)-1599K (969) | Peer-Review Report-106K (318) | Answering Reviewers-364K (300) | Received: 04/28/2015 | Revised: 06/24/2015 | Accepted: 09/02/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (18) | Total Visits (19540) | Similar Articles (0) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1513) | Core Tip (1448) | Full Article (HTML) (10431) | Figures (1-4) (830) | Tables (1-1) (542) | Full Article (PDF)-1123K (949) | Peer-Review Report-95K (306) | Answering Reviewers-82K (285) | Received: 02/09/2015 | Revised: 06/09/2015 | Accepted: 08/31/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (40) | Total Visits (24124) | Similar Articles (1138) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1640) | Core Tip (1591) | Full Article (HTML) (10940) | Figures (1-2) (613) | Tables (1-2) (552) | Full Article (PDF)-1429K (1124) | Peer-Review Report-94K (357) | Answering Reviewers-115K (853) | Received: 06/10/2015 | Revised: 08/07/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (46) | Total Visits (23260) | Similar Articles (1988) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1459) | Core Tip (1383) | Full Article (HTML) (5295) | Figures (1-1) (535) | Tables (1-4) (605) | Full Article (PDF)-980K (748) | Peer-Review Report-113K (259) | Answering Reviewers-177K (304) | Received: 03/26/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (54) | Total Visits (16022) | Similar Articles (234) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open