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Abstract (1519) | Core Tip (1456) | Full Article (HTML) (5537) | Full Article (PDF)-1201K (770) | Peer-Review Report-79K (312) | Answering Reviewers-209K (293) | Received: 05/09/2015 | Revised: 07/27/2015 | Accepted: 09/14/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (19) | Total Visits (15520) | Similar Articles (90) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1397) | Core Tip (1365) | Full Article (HTML) (7405) | Tables (1-2) (535) | Full Article (PDF)-1112K (755) | Peer-Review Report-81K (253) | Answering Reviewers-63K (371) | Received: 04/28/2015 | Revised: 06/18/2015 | Accepted: 08/31/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (30) | Total Visits (16908) | Similar Articles (185) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1472) | Core Tip (1434) | Full Article (HTML) (5537) | Tables (1-4) (569) | Full Article (PDF)-1201K (753) | Peer-Review Report-80K (245) | Answering Reviewers-92K (320) | Received: 04/15/2015 | Revised: 06/28/2015 | Accepted: 09/14/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (36) | Total Visits (17210) | Similar Articles (26) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

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Abstract (1532) | Core Tip (1488) | Full Article (HTML) (6386) | Figures (1-1) (580) | Full Article (PDF)-1205K (795) | Peer-Review Report-79K (315) | Answering Reviewers-112K (280) | Received: 04/26/2015 | Revised: 07/29/2015 | Accepted: 09/14/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (27) | Total Visits (16126) | Similar Articles (168) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

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Abstract (1791) | Core Tip (1524) | Full Article (HTML) (19684) | Figures (1-1) (525) | Tables (1-1) (449) | Full Article (PDF)-1536K (2141) | Peer-Review Report-104K (301) | Answering Reviewers-212K (318) | Received: 04/28/2015 | Revised: 07/19/2015 | Accepted: 09/14/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (33) | Total Visits (31848) | Similar Articles (356) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1901) | Core Tip (1554) | Full Article (HTML) (7922) | Figures (1-2) (532) | Full Article (PDF)-1408K (1044) | Peer-Review Report-81K (332) | Answering Reviewers-105K (479) | Received: 06/30/2015 | Revised: 08/03/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (54) | Total Visits (20424) | Similar Articles (1782) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

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Abstract (1664) | Core Tip (1555) | Full Article (HTML) (12175) | Figures (1-2) (529) | Tables (1-3) (420) | Full Article (PDF)-3282K (1316) | Peer-Review Report-91K (302) | Answering Reviewers-100K (352) | Received: 04/16/2015 | Revised: 05/28/2015 | Accepted: 08/31/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (56) | Total Visits (24742) | Similar Articles (1788) | Timeline of Article Publication (2) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1568) | Core Tip (1396) | Full Article (HTML) (6797) | Figures (1-1) (511) | Tables (1-1) (427) | Full Article (PDF)-1208K (904) | Peer-Review Report-109K (329) | Answering Reviewers-11K (296) | Received: 06/03/2015 | Revised: 07/28/2015 | Accepted: 09/14/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (53) | Total Visits (17174) | Similar Articles (64) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1312) | Core Tip (1299) | Full Article (HTML) (7624) | Tables (1-2) (459) | Full Article (PDF)-1257K (692) | Peer-Review Report-88K (388) | Answering Reviewers-63K (305) | Received: 04/28/2015 | Revised: 08/04/2015 | Accepted: 09/14/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (14) | Total Visits (18946) | Similar Articles (2340) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1477) | Core Tip (1368) | Full Article (HTML) (4642) | Tables (1-1) (525) | Full Article (PDF)-1087K (784) | Peer-Review Report-79K (262) | Answering Reviewers-210K (273) | Received: 04/18/2015 | Revised: 07/04/2015 | Accepted: 09/14/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (15) | Total Visits (14107) | Similar Articles (887) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1574) | Core Tip (1588) | Full Article (HTML) (5113) | Tables (1-3) (457) | Full Article (PDF)-1175K (766) | Peer-Review Report-111K (344) | Answering Reviewers-93K (482) | Received: 04/27/2015 | Revised: 08/22/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (8) | Total Visits (15362) | Similar Articles (0) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1441) | Core Tip (1390) | Full Article (HTML) (5204) | Tables (1-3) (467) | Full Article (PDF)-1244K (776) | Peer-Review Report-99K (271) | Answering Reviewers-103K (288) | Received: 06/29/2015 | Revised: 08/07/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (20) | Total Visits (15502) | Similar Articles (241) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1457) | Core Tip (1405) | Full Article (HTML) (7963) | Figures (1-2) (608) | Tables (1-3) (527) | Full Article (PDF)-1435K (806) | Peer-Review Report-144K (303) | Answering Reviewers-91K (361) | Received: 03/20/2015 | Revised: 04/28/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (27) | Total Visits (18574) | Similar Articles (50) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1742) | Core Tip (1672) | Full Article (HTML) (9928) | Figures (1-1) (484) | Tables (1-3) (517) | Full Article (PDF)-1377K (1897) | Peer-Review Report-81K (360) | Answering Reviewers-192K (477) | Received: 06/28/2015 | Revised: 08/17/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (53) | Total Visits (22776) | Similar Articles (41) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1337) | Core Tip (1443) | Full Article (HTML) (4392) | Tables (1-4) (502) | Full Article (PDF)-1160K (545) | Peer-Review Report-118K (271) | Answering Reviewers-450K (287) | Received: 07/23/2015 | Revised: 09/23/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (28) | Total Visits (13690) | Similar Articles (282) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1226) | Core Tip (1304) | Full Article (HTML) (7536) | Figures (1-1) (496) | Full Article (PDF)-1069K (780) | Peer-Review Report-92K (250) | Answering Reviewers-105K (338) | Received: 03/30/2015 | Revised: 05/30/2015 | Accepted: 08/31/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (31) | Total Visits (17255) | Similar Articles (4) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1431) | Core Tip (1626) | Full Article (HTML) (8670) | Figures (1-6) (584) | Tables (1-1) (466) | Full Article (PDF)-1824K (935) | Peer-Review Report-99K (319) | Answering Reviewers-185K (6406) | Received: 08/12/2015 | Revised: 09/18/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (7) | Total Visits (25599) | Similar Articles (1782) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1515) | Core Tip (1292) | Full Article (HTML) (7768) | Figures (1-3) (492) | Full Article (PDF)-1184K (972) | Peer-Review Report-91K (265) | Answering Reviewers-106K (347) | Received: 04/28/2015 | Revised: 07/27/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (86) | Total Visits (17170) | Similar Articles (1809) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

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Abstract (1289) | Core Tip (1211) | Full Article (HTML) (8624) | Tables (1-1) (428) | Full Article (PDF)-1093K (804) | Peer-Review Report-86K (234) | Answering Reviewers-106K (278) | Received: 04/28/2015 | Revised: 07/10/2015 | Accepted: 08/31/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (22) | Total Visits (17705) | Similar Articles (1) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1336) | Core Tip (1324) | Full Article (HTML) (5222) | Figures (1-8) (535) | Tables (1-8) (521) | Full Article (PDF)-1292K (830) | Peer-Review Report-92K (279) | Answering Reviewers-36K (284) | Received: 04/27/2015 | Revised: 07/03/2015 | Accepted: 09/15/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (54) | Total Visits (15462) | Similar Articles (2367) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open