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Abstract (1283) | Core Tip (1333) | Full Article (HTML) (10449) | Figures (1-1) (549) | Tables (1-1) (389) | Full Article (PDF)-1231K (1124) | Peer-Review Report-155K (247) | Answering Reviewers-238K (357) | Received: 05/26/2015 | Revised: 07/08/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (23) | Total Visits (20406) | Similar Articles (100) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1319) | Core Tip (1255) | Full Article (HTML) (7388) | Figures (1-1) (498) | Full Article (PDF)-1231K (679) | Peer-Review Report-88K (306) | Answering Reviewers-67K (256) | Received: 04/13/2015 | Revised: 06/03/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (45) | Total Visits (17504) | Similar Articles (35) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1372) | Core Tip (1314) | Full Article (HTML) (5086) | Full Article (PDF)-1201K (700) | Peer-Review Report-79K (279) | Answering Reviewers-209K (261) | Received: 05/09/2015 | Revised: 07/27/2015 | Accepted: 09/14/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (19) | Total Visits (14302) | Similar Articles (88) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1272) | Core Tip (1225) | Full Article (HTML) (6851) | Tables (1-2) (434) | Full Article (PDF)-1112K (699) | Peer-Review Report-81K (216) | Answering Reviewers-63K (322) | Received: 04/28/2015 | Revised: 06/18/2015 | Accepted: 08/31/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (29) | Total Visits (15473) | Similar Articles (181) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1359) | Core Tip (1322) | Full Article (HTML) (5309) | Tables (1-4) (494) | Full Article (PDF)-1201K (690) | Peer-Review Report-80K (210) | Answering Reviewers-92K (279) | Received: 04/15/2015 | Revised: 06/28/2015 | Accepted: 09/14/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (36) | Total Visits (15983) | Similar Articles (25) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1699) | Core Tip (1429) | Full Article (HTML) (16004) | Tables (1-4) (455) | Full Article (PDF)-1241K (2252) | Peer-Review Report-101K (453) | Answering Reviewers-283K (402) | Received: 04/26/2015 | Revised: 07/23/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (222) | Total Visits (28837) | Similar Articles (373) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1281) | Core Tip (1380) | Full Article (HTML) (9151) | Figures (1-4) (436) | Tables (1-2) (394) | Full Article (PDF)-1327K (1023) | Peer-Review Report-94K (304) | Answering Reviewers-67K (402) | Received: 04/23/2015 | Revised: 07/29/2015 | Accepted: 09/14/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (36) | Total Visits (19608) | Similar Articles (362) | Timeline of Article Publication (2) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1376) | Core Tip (1316) | Full Article (HTML) (6051) | Figures (1-1) (509) | Full Article (PDF)-1205K (765) | Peer-Review Report-79K (256) | Answering Reviewers-112K (254) | Received: 04/26/2015 | Revised: 07/29/2015 | Accepted: 09/14/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (26) | Total Visits (14915) | Similar Articles (163) | 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 (1622) | Core Tip (1378) | Full Article (HTML) (16376) | Figures (1-1) (431) | Tables (1-1) (378) | Full Article (PDF)-1536K (797) | Peer-Review Report-104K (240) | Answering Reviewers-212K (281) | Received: 04/28/2015 | Revised: 07/19/2015 | Accepted: 09/14/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (32) | Total Visits (26251) | Similar Articles (353) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1691) | Core Tip (1418) | Full Article (HTML) (7534) | Figures (1-2) (419) | Full Article (PDF)-1408K (963) | Peer-Review Report-81K (270) | Answering Reviewers-105K (447) | Received: 06/30/2015 | Revised: 08/03/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (54) | Total Visits (18988) | Similar Articles (1740) | 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 (1550) | Core Tip (1426) | Full Article (HTML) (11832) | Figures (1-2) (424) | Tables (1-3) (344) | Full Article (PDF)-3282K (1251) | Peer-Review Report-91K (261) | Answering Reviewers-100K (316) | Received: 04/16/2015 | Revised: 05/28/2015 | Accepted: 08/31/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (54) | Total Visits (23422) | Similar Articles (1746) | Timeline of Article Publication (2) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1436) | Core Tip (1261) | Full Article (HTML) (6297) | Figures (1-1) (442) | Tables (1-1) (342) | Full Article (PDF)-1208K (809) | Peer-Review Report-109K (283) | Answering Reviewers-11K (257) | Received: 06/03/2015 | Revised: 07/28/2015 | Accepted: 09/14/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (53) | Total Visits (15742) | Similar Articles (64) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1170) | Core Tip (1183) | Full Article (HTML) (5370) | Tables (1-2) (383) | Full Article (PDF)-1257K (588) | Peer-Review Report-88K (346) | Answering Reviewers-63K (266) | Received: 04/28/2015 | Revised: 08/04/2015 | Accepted: 09/14/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (14) | Total Visits (15714) | Similar Articles (2282) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1368) | Core Tip (1217) | Full Article (HTML) (4344) | Tables (1-1) (417) | Full Article (PDF)-1087K (687) | Peer-Review Report-79K (224) | Answering Reviewers-210K (226) | Received: 04/18/2015 | Revised: 07/04/2015 | Accepted: 09/14/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (14) | Total Visits (12871) | Similar Articles (867) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1439) | Core Tip (1404) | Full Article (HTML) (4829) | Tables (1-3) (381) | Full Article (PDF)-1175K (694) | Peer-Review Report-111K (276) | Answering Reviewers-93K (438) | Received: 04/27/2015 | Revised: 08/22/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (8) | Total Visits (14162) | Similar Articles (0) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1319) | Core Tip (1278) | Full Article (HTML) (4906) | Tables (1-3) (373) | Full Article (PDF)-1244K (704) | Peer-Review Report-99K (230) | Answering Reviewers-103K (245) | Received: 06/29/2015 | Revised: 08/07/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (19) | Total Visits (14328) | Similar Articles (240) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1332) | Core Tip (1288) | Full Article (HTML) (7536) | Figures (1-2) (523) | Tables (1-3) (437) | Full Article (PDF)-1435K (750) | Peer-Review Report-144K (267) | Answering Reviewers-91K (322) | Received: 03/20/2015 | Revised: 04/28/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (26) | Total Visits (17230) | Similar Articles (50) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1599) | Core Tip (1523) | Full Article (HTML) (9291) | Figures (1-1) (417) | Tables (1-3) (423) | Full Article (PDF)-1377K (1826) | Peer-Review Report-81K (323) | Answering Reviewers-192K (441) | Received: 06/28/2015 | Revised: 08/17/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (53) | Total Visits (21128) | Similar Articles (41) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1227) | Core Tip (1287) | Full Article (HTML) (4167) | Tables (1-4) (399) | Full Article (PDF)-1160K (478) | Peer-Review Report-118K (215) | Answering Reviewers-450K (221) | Received: 07/23/2015 | Revised: 09/23/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (28) | Total Visits (12556) | Similar Articles (275) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1109) | Core Tip (1192) | Full Article (HTML) (6998) | Figures (1-1) (411) | Full Article (PDF)-1069K (725) | Peer-Review Report-92K (213) | Answering Reviewers-105K (298) | Received: 03/30/2015 | Revised: 05/30/2015 | Accepted: 08/31/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (31) | Total Visits (15766) | Similar Articles (4) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1319) | Core Tip (1493) | Full Article (HTML) (8335) | Figures (1-6) (495) | Tables (1-1) (365) | Full Article (PDF)-1824K (870) | Peer-Review Report-99K (276) | Answering Reviewers-185K (6365) | Received: 08/12/2015 | Revised: 09/18/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (7) | Total Visits (24378) | Similar Articles (1740) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1375) | Core Tip (1125) | Full Article (HTML) (7376) | Figures (1-3) (400) | Full Article (PDF)-1184K (913) | Peer-Review Report-91K (235) | Answering Reviewers-106K (313) | Received: 04/28/2015 | Revised: 07/27/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (86) | Total Visits (15913) | Similar Articles (1765) | 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 (1156) | Core Tip (1084) | Full Article (HTML) (7351) | Tables (1-1) (344) | Full Article (PDF)-1093K (746) | Peer-Review Report-86K (196) | Answering Reviewers-106K (243) | Received: 04/28/2015 | Revised: 07/10/2015 | Accepted: 08/31/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (22) | Total Visits (15596) | Similar Articles (1) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1206) | Core Tip (1158) | Full Article (HTML) (4930) | Figures (1-8) (463) | Tables (1-8) (426) | Full Article (PDF)-1292K (791) | Peer-Review Report-92K (240) | Answering Reviewers-36K (245) | Received: 04/27/2015 | Revised: 07/03/2015 | Accepted: 09/15/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (53) | Total Visits (14212) | Similar Articles (2302) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open