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Abstract (1392) | Core Tip (1334) | Full Article (HTML) (6413) | Figures (1-2) (593) | Full Article (PDF)-989K (567) | Peer-Review Report-94K (260) | Answering Reviewers-489K (270) | Received: 04/10/2015 | Revised: 05/29/2015 | Accepted: 08/31/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (15) | Total Visits (16386) | Similar Articles (276) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1557) | Core Tip (1777) | Full Article (HTML) (12930) | Figures (1-4) (678) | Tables (1-1) (535) | Full Article (PDF)-1342K (1476) | Peer-Review Report-119K (347) | Answering Reviewers-389K (350) | Received: 04/15/2015 | Revised: 06/17/2015 | Accepted: 09/14/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (112) | Total Visits (27319) | Similar Articles (4) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1625) | Core Tip (1493) | Full Article (HTML) (23447) | Figures (1-2) (2596) | Full Article (PDF)-1922K (1165) | Peer-Review Report-100K (439) | Answering Reviewers-69K (396) | Received: 06/26/2015 | Revised: 07/31/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (64) | Total Visits (39410) | Similar Articles (263) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1438) | Core Tip (1418) | Full Article (HTML) (5877) | Tables (1-3) (600) | Full Article (PDF)-1114K (857) | Peer-Review Report-95K (300) | Answering Reviewers-84K (305) | Received: 04/28/2015 | Revised: 07/11/2015 | Accepted: 08/31/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (25) | Total Visits (16127) | Similar Articles (144) | Timeline of Article Publication (6) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (2035) | Core Tip (1888) | Full Article (HTML) (18469) | Figures (1-3) (4416) | Tables (1-4) (550) | Full Article (PDF)-1313K (1448) | Peer-Review Report-122K (372) | Answering Reviewers-141K (356) | Received: 04/28/2015 | Revised: 07/29/2015 | Accepted: 09/14/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (60) | Total Visits (35921) | Similar Articles (448) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1738) | Core Tip (1609) | Full Article (HTML) (18240) | Tables (1-2) (546) | Full Article (PDF)-1208K (2004) | Peer-Review Report-128K (464) | Answering Reviewers-118K (384) | Received: 04/28/2015 | Revised: 07/23/2015 | Accepted: 09/15/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (280) | Total Visits (32809) | Similar Articles (961) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1652) | Core Tip (1601) | Full Article (HTML) (6437) | Figures (1-1) (620) | Tables (1-1) (596) | Full Article (PDF)-1119K (746) | Peer-Review Report-79K (405) | Answering Reviewers-239K (293) | Received: 05/08/2015 | Revised: 08/08/2015 | Accepted: 09/15/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (18) | Total Visits (17978) | Similar Articles (52) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1848) | Core Tip (1570) | Full Article (HTML) (20909) | Figures (1-2) (554) | Tables (1-2) (535) | Full Article (PDF)-1166K (2244) | Peer-Review Report-82K (345) | Answering Reviewers-10K (407) | Received: 06/16/2015 | Revised: 08/06/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (119) | Total Visits (36090) | Similar Articles (234) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1702) | Core Tip (1632) | Full Article (HTML) (5462) | Figures (1-2) (572) | Tables (1-4) (558) | Full Article (PDF)-1290K (636) | Peer-Review Report-218K (325) | Answering Reviewers-366K (365) | Received: 06/02/2015 | Revised: 07/14/2015 | Accepted: 09/15/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (9) | Total Visits (17879) | Similar Articles (1268) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1512) | Core Tip (1357) | Full Article (HTML) (7233) | Tables (1-3) (653) | Full Article (PDF)-1094K (780) | Peer-Review Report-79K (348) | Answering Reviewers-172K (345) | Received: 04/28/2015 | Revised: 08/14/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (34) | Total Visits (17202) | Similar Articles (0) | Timeline of Article Publication (1) | Authors Evaluation (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1637) | Core Tip (1479) | Full Article (HTML) (8009) | Tables (1-4) (633) | Full Article (PDF)-1226K (985) | Peer-Review Report-92K (356) | Answering Reviewers-63K (329) | Received: 05/09/2015 | Revised: 07/08/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (49) | Total Visits (19944) | Similar Articles (1329) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1588) | Core Tip (1634) | Full Article (HTML) (8540) | Figures (1-3) (636) | Tables (1-1) (561) | Full Article (PDF)-1241K (1052) | Peer-Review Report-93K (369) | Answering Reviewers-358K (393) | Received: 05/21/2015 | Revised: 07/16/2015 | Accepted: 09/22/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (51) | Total Visits (21265) | Similar Articles (332) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1285) | Core Tip (1383) | Full Article (HTML) (8312) | Figures (1-1) (568) | Full Article (PDF)-944K (801) | Peer-Review Report-91K (288) | Answering Reviewers-247K (392) | Received: 04/27/2015 | Revised: 07/11/2015 | Accepted: 09/15/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (127) | Total Visits (18822) | Similar Articles (1466) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1591) | Core Tip (1580) | Full Article (HTML) (14575) | Figures (1-1) (615) | Tables (1-1) (582) | Full Article (PDF)-935K (1055) | Peer-Review Report-79K (316) | Answering Reviewers-144K (383) | Received: 04/27/2015 | Revised: 08/12/2015 | Accepted: 09/15/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (155) | Total Visits (25507) | Similar Articles (1275) | Timeline of Article Publication (2) | Authors Evaluation (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1560) | Core Tip (1565) | Full Article (HTML) (15356) | Figures (1-2) (1425) | Full Article (PDF)-1185K (1382) | Peer-Review Report-87K (342) | Answering Reviewers-132K (408) | Received: 04/27/2015 | Revised: 07/02/2015 | Accepted: 09/15/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (50) | Total Visits (27717) | Similar Articles (663) | Timeline of Article Publication (2) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1397) | Core Tip (1289) | Full Article (HTML) (5040) | Tables (1-5) (608) | Full Article (PDF)-942K (1175) | Peer-Review Report-80K (296) | Answering Reviewers-96K (233) | Received: 04/21/2015 | Revised: 07/21/2015 | Accepted: 09/14/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (33) | Total Visits (14658) | Similar Articles (255) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1485) | Core Tip (1524) | Full Article (HTML) (12122) | Figures (1-1) (549) | Tables (1-5) (551) | Full Article (PDF)-2155K (990) | Peer-Review Report-170K (363) | Answering Reviewers-443K (442) | Received: 05/28/2015 | Revised: 07/28/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (74) | Total Visits (24262) | Similar Articles (1113) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1457) | Core Tip (1503) | Full Article (HTML) (5376) | Figures (1-2) (545) | Tables (1-1) (563) | Full Article (PDF)-1096K (806) | Peer-Review Report-79K (256) | Answering Reviewers-96K (280) | Received: 04/27/2015 | Revised: 07/07/2015 | Accepted: 09/15/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (31) | Total Visits (15334) | Similar Articles (1115) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1503) | Core Tip (1425) | Full Article (HTML) (8615) | Figures (1-2) (605) | Full Article (PDF)-1507K (954) | Peer-Review Report-99K (418) | Answering Reviewers-176K (384) | Received: 04/28/2015 | Revised: 06/25/2015 | Accepted: 08/31/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (50) | Total Visits (19739) | Similar Articles (1113) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1561) | Core Tip (1563) | Full Article (HTML) (15933) | Tables (1-3) (642) | Full Article (PDF)-995K (1534) | Peer-Review Report-81K (351) | Answering Reviewers-295K (355) | Received: 04/19/2015 | Revised: 06/20/2015 | Accepted: 08/31/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (246) | Total Visits (30172) | Similar Articles (1113) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1316) | Core Tip (1408) | Full Article (HTML) (7776) | Figures (1-2) (707) | Tables (1-3) (528) | Full Article (PDF)-1589K (820) | Peer-Review Report-101K (305) | Answering Reviewers-197K (334) | Received: 04/28/2015 | Revised: 06/18/2015 | Accepted: 08/31/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (36) | Total Visits (19679) | Similar Articles (212) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1609) | Core Tip (1337) | Full Article (HTML) (6172) | Tables (1-3) (548) | Full Article (PDF)-1040K (700) | Peer-Review Report-95K (329) | Answering Reviewers-64K (265) | Received: 05/18/2015 | Revised: 08/06/2015 | Accepted: 09/15/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (37) | Total Visits (16687) | Similar Articles (438) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1554) | Core Tip (1333) | Full Article (HTML) (12342) | Figures (1-1) (603) | Tables (1-4) (611) | Full Article (PDF)-1052K (1676) | Peer-Review Report-94K (356) | Answering Reviewers-142K (347) | Received: 04/28/2015 | Revised: 08/06/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (175) | Total Visits (25116) | Similar Articles (83) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1553) | Core Tip (1557) | Full Article (HTML) (12490) | Figures (1-1) (815) | Tables (1-1) (483) | Full Article (PDF)-1262K (1140) | Peer-Review Report-108K (373) | Answering Reviewers-203K (353) | Received: 04/16/2015 | Revised: 06/19/2015 | Accepted: 09/14/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (46) | Total Visits (24639) | Similar Articles (202) | Timeline of Article Publication (3) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1549) | Core Tip (1826) | Full Article (HTML) (13228) | Tables (1-2) (505) | Full Article (PDF)-948K (962) | Peer-Review Report-91K (369) | Answering Reviewers-166K (419) | Received: 06/27/2015 | Revised: 09/02/2015 | Accepted: 09/15/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (67) | Total Visits (24066) | Similar Articles (147) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1405) | Core Tip (1375) | Full Article (HTML) (6161) | Figures (1-8) (636) | Tables (1-3) (512) | Full Article (PDF)-2831K (893) | Peer-Review Report-97K (293) | Answering Reviewers-83K (432) | Received: 04/14/2015 | Revised: 06/18/2015 | Accepted: 08/31/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (46) | Total Visits (18162) | Similar Articles (142) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1325) | Core Tip (1380) | Full Article (HTML) (7389) | Figures (1-8) (843) | Tables (1-1) (524) | Full Article (PDF)-1599K (962) | Peer-Review Report-106K (310) | Answering Reviewers-364K (291) | Received: 04/28/2015 | Revised: 06/24/2015 | Accepted: 09/02/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (18) | Total Visits (19212) | Similar Articles (0) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1499) | Core Tip (1430) | Full Article (HTML) (10383) | Figures (1-4) (816) | Tables (1-1) (533) | Full Article (PDF)-1123K (941) | Peer-Review Report-95K (296) | Answering Reviewers-82K (275) | Received: 02/09/2015 | Revised: 06/09/2015 | Accepted: 08/31/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (40) | Total Visits (23795) | Similar Articles (1118) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1626) | Core Tip (1565) | Full Article (HTML) (10873) | Figures (1-2) (599) | Tables (1-2) (539) | Full Article (PDF)-1429K (1110) | Peer-Review Report-94K (350) | Answering Reviewers-115K (842) | Received: 06/10/2015 | Revised: 08/07/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (45) | Total Visits (22940) | Similar Articles (1964) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1444) | Core Tip (1365) | Full Article (HTML) (5258) | Figures (1-1) (523) | Tables (1-4) (592) | Full Article (PDF)-980K (737) | Peer-Review Report-113K (248) | Answering Reviewers-177K (294) | Received: 03/26/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (52) | Total Visits (15783) | Similar Articles (234) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open