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Abstract (1439) | Core Tip (1494) | Full Article (HTML) (11454) | Figures (1-1) (690) | Tables (1-1) (496) | Full Article (PDF)-1231K (1216) | Peer-Review Report-155K (300) | Answering Reviewers-238K (422) | Received: 05/26/2015 | Revised: 07/08/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (25) | Total Visits (22901) | Similar Articles (103) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1476) | Core Tip (1418) | Full Article (HTML) (7902) | Figures (1-1) (605) | Full Article (PDF)-1231K (747) | Peer-Review Report-88K (387) | Answering Reviewers-67K (308) | Received: 04/13/2015 | Revised: 06/03/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (45) | Total Visits (19536) | Similar Articles (35) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1567) | Core Tip (1497) | Full Article (HTML) (5669) | Full Article (PDF)-1201K (799) | Peer-Review Report-79K (329) | Answering Reviewers-209K (306) | Received: 05/09/2015 | Revised: 07/27/2015 | Accepted: 09/14/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (19) | Total Visits (16095) | Similar Articles (93) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1446) | Core Tip (1412) | Full Article (HTML) (7553) | Tables (1-2) (561) | Full Article (PDF)-1112K (779) | Peer-Review Report-81K (271) | Answering Reviewers-63K (389) | Received: 04/28/2015 | Revised: 06/18/2015 | Accepted: 08/31/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (32) | Total Visits (17832) | Similar Articles (190) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1516) | Core Tip (1482) | Full Article (HTML) (5619) | Tables (1-4) (597) | Full Article (PDF)-1201K (774) | Peer-Review Report-80K (263) | Answering Reviewers-92K (339) | Received: 04/15/2015 | Revised: 06/28/2015 | Accepted: 09/14/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (36) | Total Visits (17910) | Similar Articles (26) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1919) | Core Tip (1645) | Full Article (HTML) (16811) | Tables (1-4) (549) | Full Article (PDF)-1241K (2373) | Peer-Review Report-101K (509) | Answering Reviewers-283K (486) | Received: 04/26/2015 | Revised: 07/23/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (239) | Total Visits (31141) | Similar Articles (384) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1453) | Core Tip (1613) | Full Article (HTML) (10194) | Figures (1-4) (549) | Tables (1-2) (544) | Full Article (PDF)-1327K (1109) | Peer-Review Report-94K (362) | Answering Reviewers-67K (473) | Received: 04/23/2015 | Revised: 07/29/2015 | Accepted: 09/14/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (36) | Total Visits (22410) | Similar Articles (373) | Timeline of Article Publication (2) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1577) | Core Tip (1539) | Full Article (HTML) (6512) | Figures (1-1) (614) | Full Article (PDF)-1205K (823) | Peer-Review Report-79K (333) | Answering Reviewers-112K (299) | Received: 04/26/2015 | Revised: 07/29/2015 | Accepted: 09/14/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (28) | Total Visits (16796) | Similar Articles (176) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1617) | Core Tip (1625) | Full Article (HTML) (9255) | Figures (1-2) (556) | Full Article (PDF)-1274K (1184) | Peer-Review Report-83K (334) | Answering Reviewers-326K (333) | Received: 06/03/2015 | Revised: 09/11/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (83) | Total Visits (22219) | Similar Articles (336) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1854) | Core Tip (1567) | Full Article (HTML) (19794) | Figures (1-1) (554) | Tables (1-1) (472) | Full Article (PDF)-1536K (2170) | Peer-Review Report-104K (319) | Answering Reviewers-212K (335) | Received: 04/28/2015 | Revised: 07/19/2015 | Accepted: 09/14/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (34) | Total Visits (32529) | Similar Articles (360) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1952) | Core Tip (1612) | Full Article (HTML) (8020) | Figures (1-2) (563) | Full Article (PDF)-1408K (1071) | Peer-Review Report-81K (347) | Answering Reviewers-105K (501) | Received: 06/30/2015 | Revised: 08/03/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (57) | Total Visits (21118) | Similar Articles (1849) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1847) | Core Tip (1529) | Full Article (HTML) (15478) | Figures (1-3) (530) | Tables (1-2) (508) | Full Article (PDF)-1591K (1560) | Peer-Review Report-78K (380) | Answering Reviewers-71K (558) | Received: 04/28/2015 | Revised: 07/31/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (76) | Total Visits (28542) | Similar Articles (1850) | 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 (1627) | Core Tip (1457) | Full Article (HTML) (6880) | Figures (1-1) (537) | Tables (1-1) (454) | Full Article (PDF)-1208K (933) | Peer-Review Report-109K (350) | Answering Reviewers-11K (317) | Received: 06/03/2015 | Revised: 07/28/2015 | Accepted: 09/14/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (55) | Total Visits (17763) | Similar Articles (67) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1359) | Core Tip (1340) | Full Article (HTML) (7689) | Tables (1-2) (484) | Full Article (PDF)-1257K (715) | Peer-Review Report-88K (402) | Answering Reviewers-63K (319) | Received: 04/28/2015 | Revised: 08/04/2015 | Accepted: 09/14/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (14) | Total Visits (19514) | Similar Articles (2434) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1520) | Core Tip (1413) | Full Article (HTML) (4727) | Tables (1-1) (551) | Full Article (PDF)-1087K (832) | Peer-Review Report-79K (281) | Answering Reviewers-210K (295) | Received: 04/18/2015 | Revised: 07/04/2015 | Accepted: 09/14/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (17) | Total Visits (14675) | Similar Articles (908) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1626) | Core Tip (1640) | Full Article (HTML) (5187) | Tables (1-3) (488) | Full Article (PDF)-1175K (812) | Peer-Review Report-111K (376) | Answering Reviewers-93K (517) | Received: 04/27/2015 | Revised: 08/22/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (8) | Total Visits (15995) | Similar Articles (0) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1488) | Core Tip (1431) | Full Article (HTML) (5290) | Tables (1-3) (499) | Full Article (PDF)-1244K (810) | Peer-Review Report-99K (307) | Answering Reviewers-103K (325) | Received: 06/29/2015 | Revised: 08/07/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (20) | Total Visits (16245) | Similar Articles (242) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1498) | Core Tip (1447) | Full Article (HTML) (8048) | Figures (1-2) (649) | Tables (1-3) (552) | Full Article (PDF)-1435K (826) | Peer-Review Report-144K (321) | Answering Reviewers-91K (383) | Received: 03/20/2015 | Revised: 04/28/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (28) | Total Visits (19185) | Similar Articles (50) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1805) | Core Tip (1727) | Full Article (HTML) (10043) | Figures (1-1) (506) | Tables (1-3) (544) | Full Article (PDF)-1377K (1922) | Peer-Review Report-81K (379) | Answering Reviewers-192K (496) | Received: 06/28/2015 | Revised: 08/17/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (53) | Total Visits (23444) | Similar Articles (43) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1374) | Core Tip (1485) | Full Article (HTML) (4462) | Tables (1-4) (531) | Full Article (PDF)-1160K (568) | Peer-Review Report-118K (288) | Answering Reviewers-450K (301) | Received: 07/23/2015 | Revised: 09/23/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (29) | Total Visits (14253) | Similar Articles (296) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1260) | Core Tip (1340) | Full Article (HTML) (7665) | Figures (1-1) (528) | Full Article (PDF)-1069K (806) | Peer-Review Report-92K (264) | Answering Reviewers-105K (365) | Received: 03/30/2015 | Revised: 05/30/2015 | Accepted: 08/31/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (32) | Total Visits (17904) | Similar Articles (4) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1479) | Core Tip (1688) | Full Article (HTML) (8761) | Figures (1-6) (626) | Tables (1-1) (494) | Full Article (PDF)-1824K (960) | Peer-Review Report-99K (341) | Answering Reviewers-185K (6430) | Received: 08/12/2015 | Revised: 09/18/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (8) | Total Visits (26218) | Similar Articles (1849) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1561) | Core Tip (1328) | Full Article (HTML) (7913) | Figures (1-3) (523) | Full Article (PDF)-1184K (999) | Peer-Review Report-91K (286) | Answering Reviewers-106K (367) | Received: 04/28/2015 | Revised: 07/27/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (88) | Total Visits (17862) | Similar Articles (1877) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1805) | Core Tip (1785) | Full Article (HTML) (30900) | Figures (1-2) (858) | Full Article (PDF)-1398K (2717) | Peer-Review Report-80K (433) | Answering Reviewers-172K (446) | Received: 02/24/2015 | Revised: 06/15/2015 | Accepted: 09/02/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (158) | Total Visits (45571) | Similar Articles (10) | Timeline of Article Publication (5) | Authors Evaluation (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1343) | Core Tip (1273) | Full Article (HTML) (8750) | Tables (1-1) (453) | Full Article (PDF)-1093K (834) | Peer-Review Report-86K (258) | Answering Reviewers-106K (293) | Received: 04/28/2015 | Revised: 07/10/2015 | Accepted: 08/31/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (23) | Total Visits (18375) | Similar Articles (1) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1384) | Core Tip (1368) | Full Article (HTML) (5312) | Figures (1-8) (574) | Tables (1-8) (552) | Full Article (PDF)-1292K (856) | Peer-Review Report-92K (302) | Answering Reviewers-36K (305) | Received: 04/27/2015 | Revised: 07/03/2015 | Accepted: 09/15/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (58) | Total Visits (16098) | Similar Articles (2472) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open