Abstract (1390) | Core Tip (1466) | Full Article (HTML) (3988) | Full Article (PDF)-772K (568) | Peer-Review Report-66K (250) | Answering Reviewers-152K (232) | Received: 05/21/2015 | Revised: 07/09/2015 | Accepted: 09/15/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (10) | Total Visits (12994) | Similar Articles (1280) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1403) | Core Tip (1341) | Full Article (HTML) (6434) | Figures (1-2) (600) | Full Article (PDF)-989K (578) | Peer-Review Report-94K (266) | 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 (16548) | Similar Articles (277) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1567) | Core Tip (1787) | Full Article (HTML) (12976) | Figures (1-4) (686) | Tables (1-1) (546) | Full Article (PDF)-1342K (1487) | Peer-Review Report-119K (357) | Answering Reviewers-389K (357) | Received: 04/15/2015 | Revised: 06/17/2015 | Accepted: 09/14/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (113) | Total Visits (27543) | Similar Articles (4) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1635) | Core Tip (1501) | Full Article (HTML) (23555) | Figures (1-2) (2634) | Full Article (PDF)-1922K (1177) | Peer-Review Report-100K (443) | Answering Reviewers-69K (399) | Received: 06/26/2015 | Revised: 07/31/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (65) | Total Visits (39708) | Similar Articles (264) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1448) | Core Tip (1430) | Full Article (HTML) (5904) | Tables (1-3) (607) | Full Article (PDF)-1114K (867) | Peer-Review Report-95K (307) | Answering Reviewers-84K (312) | Received: 04/28/2015 | Revised: 07/11/2015 | Accepted: 08/31/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (25) | Total Visits (16290) | Similar Articles (145) | Timeline of Article Publication (6) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (2045) | Core Tip (1897) | Full Article (HTML) (18529) | Figures (1-3) (4462) | Tables (1-4) (558) | Full Article (PDF)-1313K (1468) | Peer-Review Report-122K (386) | Answering Reviewers-141K (362) | Received: 04/28/2015 | Revised: 07/29/2015 | Accepted: 09/14/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (60) | Total Visits (36192) | Similar Articles (458) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1750) | Core Tip (1618) | Full Article (HTML) (18292) | Tables (1-2) (553) | Full Article (PDF)-1208K (2021) | Peer-Review Report-128K (467) | Answering Reviewers-118K (386) | Received: 04/28/2015 | Revised: 07/23/2015 | Accepted: 09/15/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (285) | Total Visits (33020) | Similar Articles (967) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1661) | Core Tip (1610) | Full Article (HTML) (6471) | Figures (1-1) (630) | Tables (1-1) (601) | Full Article (PDF)-1119K (752) | Peer-Review Report-79K (414) | Answering Reviewers-239K (298) | Received: 05/08/2015 | Revised: 08/08/2015 | Accepted: 09/15/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (18) | Total Visits (18147) | Similar Articles (52) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1860) | Core Tip (1580) | Full Article (HTML) (20957) | Figures (1-2) (560) | Tables (1-2) (543) | Full Article (PDF)-1166K (2254) | Peer-Review Report-82K (351) | Answering Reviewers-10K (416) | Received: 06/16/2015 | Revised: 08/06/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (121) | Total Visits (36317) | Similar Articles (236) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1716) | Core Tip (1642) | Full Article (HTML) (5478) | Figures (1-2) (578) | Tables (1-4) (564) | Full Article (PDF)-1290K (650) | Peer-Review Report-218K (328) | Answering Reviewers-366K (374) | Received: 06/02/2015 | Revised: 07/14/2015 | Accepted: 09/15/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (10) | Total Visits (18071) | Similar Articles (1278) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1523) | Core Tip (1365) | Full Article (HTML) (7253) | Tables (1-3) (658) | Full Article (PDF)-1094K (789) | Peer-Review Report-79K (351) | Answering Reviewers-172K (349) | Received: 04/28/2015 | Revised: 08/14/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (36) | Total Visits (17331) | 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 (1653) | Core Tip (1492) | Full Article (HTML) (8052) | Tables (1-4) (643) | Full Article (PDF)-1226K (992) | Peer-Review Report-92K (368) | Answering Reviewers-63K (333) | Received: 05/09/2015 | Revised: 07/08/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (49) | Total Visits (20153) | Similar Articles (1339) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1598) | Core Tip (1645) | Full Article (HTML) (8570) | Figures (1-3) (643) | Tables (1-1) (566) | Full Article (PDF)-1241K (1064) | Peer-Review Report-93K (376) | Answering Reviewers-358K (399) | Received: 05/21/2015 | Revised: 07/16/2015 | Accepted: 09/22/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (52) | Total Visits (21440) | Similar Articles (332) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1291) | Core Tip (1388) | Full Article (HTML) (8350) | Figures (1-1) (575) | Full Article (PDF)-944K (816) | Peer-Review Report-91K (294) | Answering Reviewers-247K (396) | Received: 04/27/2015 | Revised: 07/11/2015 | Accepted: 09/15/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (130) | Total Visits (19022) | Similar Articles (1478) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1603) | Core Tip (1589) | Full Article (HTML) (14630) | Figures (1-1) (622) | Tables (1-1) (590) | Full Article (PDF)-935K (1071) | Peer-Review Report-79K (322) | Answering Reviewers-144K (392) | Received: 04/27/2015 | Revised: 08/12/2015 | Accepted: 09/15/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (155) | Total Visits (25729) | Similar Articles (1285) | Timeline of Article Publication (2) | Authors Evaluation (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1571) | Core Tip (1573) | Full Article (HTML) (15404) | Figures (1-2) (1435) | Full Article (PDF)-1185K (1391) | Peer-Review Report-87K (350) | Answering Reviewers-132K (412) | Received: 04/27/2015 | Revised: 07/02/2015 | Accepted: 09/15/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (50) | Total Visits (27876) | Similar Articles (664) | Timeline of Article Publication (2) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1410) | Core Tip (1301) | Full Article (HTML) (5060) | Tables (1-5) (613) | Full Article (PDF)-942K (1180) | Peer-Review Report-80K (300) | Answering Reviewers-96K (236) | Received: 04/21/2015 | Revised: 07/21/2015 | Accepted: 09/14/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (33) | Total Visits (14791) | Similar Articles (256) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1497) | Core Tip (1537) | Full Article (HTML) (12139) | Figures (1-1) (556) | Tables (1-5) (556) | Full Article (PDF)-2155K (1002) | Peer-Review Report-170K (367) | Answering Reviewers-443K (451) | Received: 05/28/2015 | Revised: 07/28/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (74) | Total Visits (24409) | Similar Articles (1128) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1462) | Core Tip (1511) | Full Article (HTML) (5406) | Figures (1-2) (552) | Tables (1-1) (569) | Full Article (PDF)-1096K (817) | Peer-Review Report-79K (260) | Answering Reviewers-96K (286) | Received: 04/27/2015 | Revised: 07/07/2015 | Accepted: 09/15/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (31) | Total Visits (15498) | Similar Articles (1130) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1514) | Core Tip (1432) | Full Article (HTML) (8639) | Figures (1-2) (615) | Full Article (PDF)-1507K (959) | Peer-Review Report-99K (423) | Answering Reviewers-176K (392) | Received: 04/28/2015 | Revised: 06/25/2015 | Accepted: 08/31/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (52) | Total Visits (19902) | Similar Articles (1128) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1577) | Core Tip (1573) | Full Article (HTML) (15988) | Tables (1-3) (653) | Full Article (PDF)-995K (1546) | Peer-Review Report-81K (358) | Answering Reviewers-295K (359) | Received: 04/19/2015 | Revised: 06/20/2015 | Accepted: 08/31/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (250) | Total Visits (30391) | Similar Articles (1128) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1329) | Core Tip (1416) | Full Article (HTML) (7793) | Figures (1-2) (717) | Tables (1-3) (539) | Full Article (PDF)-1589K (825) | Peer-Review Report-101K (311) | Answering Reviewers-197K (338) | Received: 04/28/2015 | Revised: 06/18/2015 | Accepted: 08/31/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (36) | Total Visits (19893) | Similar Articles (213) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1615) | Core Tip (1346) | Full Article (HTML) (6216) | Tables (1-3) (556) | Full Article (PDF)-1040K (708) | Peer-Review Report-95K (333) | Answering Reviewers-64K (269) | Received: 05/18/2015 | Revised: 08/06/2015 | Accepted: 09/15/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (37) | Total Visits (16835) | Similar Articles (443) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1559) | Core Tip (1339) | Full Article (HTML) (12400) | Figures (1-1) (612) | Tables (1-4) (618) | Full Article (PDF)-1052K (1689) | Peer-Review Report-94K (364) | Answering Reviewers-142K (358) | Received: 04/28/2015 | Revised: 08/06/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (178) | Total Visits (25339) | Similar Articles (86) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1563) | Core Tip (1567) | Full Article (HTML) (12536) | Figures (1-1) (827) | Tables (1-1) (489) | Full Article (PDF)-1262K (1148) | Peer-Review Report-108K (379) | Answering Reviewers-203K (360) | Received: 04/16/2015 | Revised: 06/19/2015 | Accepted: 09/14/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (46) | Total Visits (24809) | Similar Articles (202) | Timeline of Article Publication (3) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1558) | Core Tip (1832) | Full Article (HTML) (13261) | Tables (1-2) (514) | Full Article (PDF)-948K (975) | Peer-Review Report-91K (376) | Answering Reviewers-166K (422) | Received: 06/27/2015 | Revised: 09/02/2015 | Accepted: 09/15/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (68) | Total Visits (24235) | Similar Articles (147) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1420) | Core Tip (1382) | Full Article (HTML) (6186) | Figures (1-8) (652) | Tables (1-3) (517) | Full Article (PDF)-2831K (898) | Peer-Review Report-97K (299) | Answering Reviewers-83K (437) | Received: 04/14/2015 | Revised: 06/18/2015 | Accepted: 08/31/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (47) | Total Visits (18324) | Similar Articles (143) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1333) | Core Tip (1391) | Full Article (HTML) (7414) | Figures (1-8) (853) | Tables (1-1) (530) | Full Article (PDF)-1599K (967) | Peer-Review Report-106K (316) | Answering Reviewers-364K (299) | Received: 04/28/2015 | Revised: 06/24/2015 | Accepted: 09/02/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (18) | Total Visits (19386) | Similar Articles (0) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1507) | Core Tip (1437) | Full Article (HTML) (10413) | Figures (1-4) (825) | Tables (1-1) (537) | Full Article (PDF)-1123K (948) | Peer-Review Report-95K (303) | Answering Reviewers-82K (280) | Received: 02/09/2015 | Revised: 06/09/2015 | Accepted: 08/31/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (40) | Total Visits (24006) | Similar Articles (1133) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1635) | Core Tip (1583) | Full Article (HTML) (10915) | Figures (1-2) (607) | Tables (1-2) (547) | Full Article (PDF)-1429K (1118) | Peer-Review Report-94K (355) | Answering Reviewers-115K (851) | Received: 06/10/2015 | Revised: 08/07/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (45) | Total Visits (23149) | Similar Articles (1980) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1454) | Core Tip (1376) | Full Article (HTML) (5276) | Figures (1-1) (530) | Tables (1-4) (599) | Full Article (PDF)-980K (743) | Peer-Review Report-113K (258) | Answering Reviewers-177K (301) | Received: 03/26/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (53) | Total Visits (15932) | Similar Articles (234) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open