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Abstract (1313) | Core Tip (1364) | Full Article (HTML) (10562) | Figures (1-1) (569) | Tables (1-1) (416) | Full Article (PDF)-1231K (1144) | Peer-Review Report-155K (256) | Answering Reviewers-238K (367) | Received: 05/26/2015 | Revised: 07/08/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (23) | Total Visits (20754) | Similar Articles (100) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1349) | Core Tip (1289) | Full Article (HTML) (7461) | Figures (1-1) (524) | Full Article (PDF)-1231K (689) | Peer-Review Report-88K (317) | Answering Reviewers-67K (261) | Received: 04/13/2015 | Revised: 06/03/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (45) | Total Visits (17790) | Similar Articles (35) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1416) | Core Tip (1344) | Full Article (HTML) (5151) | Full Article (PDF)-1201K (721) | Peer-Review Report-79K (290) | Answering Reviewers-209K (269) | Received: 05/09/2015 | Revised: 07/27/2015 | Accepted: 09/14/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (19) | Total Visits (14534) | Similar Articles (88) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1305) | Core Tip (1259) | Full Article (HTML) (6941) | Tables (1-2) (460) | Full Article (PDF)-1112K (713) | Peer-Review Report-81K (230) | Answering Reviewers-63K (332) | Received: 04/28/2015 | Revised: 06/18/2015 | Accepted: 08/31/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (29) | Total Visits (15763) | Similar Articles (184) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1386) | Core Tip (1352) | Full Article (HTML) (5362) | Tables (1-4) (508) | Full Article (PDF)-1201K (709) | Peer-Review Report-80K (220) | Answering Reviewers-92K (295) | Received: 04/15/2015 | Revised: 06/28/2015 | Accepted: 09/14/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (36) | Total Visits (16284) | Similar Articles (25) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1733) | Core Tip (1461) | Full Article (HTML) (16108) | Tables (1-4) (474) | Full Article (PDF)-1241K (2280) | Peer-Review Report-101K (465) | Answering Reviewers-283K (412) | Received: 04/26/2015 | Revised: 07/23/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (224) | Total Visits (29133) | Similar Articles (374) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1310) | Core Tip (1415) | Full Article (HTML) (9357) | Figures (1-4) (462) | Tables (1-2) (416) | Full Article (PDF)-1327K (1045) | Peer-Review Report-94K (312) | Answering Reviewers-67K (415) | Received: 04/23/2015 | Revised: 07/29/2015 | Accepted: 09/14/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (36) | Total Visits (20138) | Similar Articles (363) | Timeline of Article Publication (2) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1445) | Core Tip (1378) | Full Article (HTML) (6142) | Figures (1-1) (522) | Full Article (PDF)-1205K (772) | Peer-Review Report-79K (267) | Answering Reviewers-112K (258) | Received: 04/26/2015 | Revised: 07/29/2015 | Accepted: 09/14/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (26) | Total Visits (15268) | Similar Articles (163) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1495) | Core Tip (1495) | Full Article (HTML) (8888) | Figures (1-2) (482) | Full Article (PDF)-1274K (1106) | Peer-Review Report-83K (281) | Answering Reviewers-326K (282) | Received: 06/03/2015 | Revised: 09/11/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (79) | Total Visits (20490) | Similar Articles (331) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1664) | Core Tip (1413) | Full Article (HTML) (17144) | Figures (1-1) (456) | Tables (1-1) (394) | Full Article (PDF)-1536K (816) | Peer-Review Report-104K (251) | Answering Reviewers-212K (296) | Received: 04/28/2015 | Revised: 07/19/2015 | Accepted: 09/14/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (32) | Total Visits (27261) | Similar Articles (354) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1745) | Core Tip (1445) | Full Article (HTML) (7614) | Figures (1-2) (440) | Full Article (PDF)-1408K (974) | Peer-Review Report-81K (280) | Answering Reviewers-105K (457) | Received: 06/30/2015 | Revised: 08/03/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (54) | Total Visits (19286) | Similar Articles (1745) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1678) | Core Tip (1373) | Full Article (HTML) (14560) | Figures (1-3) (440) | Tables (1-2) (407) | Full Article (PDF)-1591K (1446) | Peer-Review Report-78K (329) | Answering Reviewers-71K (498) | Received: 04/28/2015 | Revised: 07/31/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (69) | Total Visits (26275) | Similar Articles (1746) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1572) | Core Tip (1457) | Full Article (HTML) (11905) | Figures (1-2) (442) | Tables (1-3) (367) | Full Article (PDF)-3282K (1268) | Peer-Review Report-91K (277) | Answering Reviewers-100K (325) | Received: 04/16/2015 | Revised: 05/28/2015 | Accepted: 08/31/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (55) | Total Visits (23702) | Similar Articles (1751) | Timeline of Article Publication (2) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1463) | Core Tip (1288) | Full Article (HTML) (6376) | Figures (1-1) (459) | Tables (1-1) (359) | Full Article (PDF)-1208K (834) | Peer-Review Report-109K (298) | Answering Reviewers-11K (265) | Received: 06/03/2015 | Revised: 07/28/2015 | Accepted: 09/14/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (53) | Total Visits (16076) | Similar Articles (64) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1198) | Core Tip (1208) | Full Article (HTML) (5442) | Tables (1-2) (401) | Full Article (PDF)-1257K (621) | Peer-Review Report-88K (359) | Answering Reviewers-63K (276) | Received: 04/28/2015 | Revised: 08/04/2015 | Accepted: 09/14/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (14) | Total Visits (15995) | Similar Articles (2291) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1397) | Core Tip (1252) | Full Article (HTML) (4396) | Tables (1-1) (435) | Full Article (PDF)-1087K (716) | Peer-Review Report-79K (233) | Answering Reviewers-210K (236) | Received: 04/18/2015 | Revised: 07/04/2015 | Accepted: 09/14/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (14) | Total Visits (13135) | Similar Articles (871) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1470) | Core Tip (1434) | Full Article (HTML) (4883) | Tables (1-3) (401) | Full Article (PDF)-1175K (717) | Peer-Review Report-111K (282) | Answering Reviewers-93K (449) | Received: 04/27/2015 | Revised: 08/22/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (8) | Total Visits (14407) | Similar Articles (0) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1344) | Core Tip (1302) | Full Article (HTML) (4960) | Tables (1-3) (399) | Full Article (PDF)-1244K (713) | Peer-Review Report-99K (240) | Answering Reviewers-103K (252) | Received: 06/29/2015 | Revised: 08/07/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (19) | Total Visits (14583) | Similar Articles (240) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1364) | Core Tip (1317) | Full Article (HTML) (7603) | Figures (1-2) (543) | Tables (1-3) (459) | Full Article (PDF)-1435K (773) | Peer-Review Report-144K (280) | Answering Reviewers-91K (332) | Received: 03/20/2015 | Revised: 04/28/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (26) | Total Visits (17533) | Similar Articles (50) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1632) | Core Tip (1555) | Full Article (HTML) (9409) | Figures (1-1) (428) | Tables (1-3) (442) | Full Article (PDF)-1377K (1837) | Peer-Review Report-81K (334) | Answering Reviewers-192K (448) | Received: 06/28/2015 | Revised: 08/17/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (53) | Total Visits (21435) | Similar Articles (41) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1252) | Core Tip (1318) | Full Article (HTML) (4209) | Tables (1-4) (417) | Full Article (PDF)-1160K (498) | Peer-Review Report-118K (223) | Answering Reviewers-450K (232) | Received: 07/23/2015 | Revised: 09/23/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (28) | Total Visits (12798) | Similar Articles (279) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1142) | Core Tip (1225) | Full Article (HTML) (7108) | Figures (1-1) (435) | Full Article (PDF)-1069K (740) | Peer-Review Report-92K (224) | Answering Reviewers-105K (312) | Received: 03/30/2015 | Revised: 05/30/2015 | Accepted: 08/31/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (31) | Total Visits (16158) | Similar Articles (4) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1343) | Core Tip (1518) | Full Article (HTML) (8402) | Figures (1-6) (515) | Tables (1-1) (387) | Full Article (PDF)-1824K (889) | Peer-Review Report-99K (288) | Answering Reviewers-185K (6378) | Received: 08/12/2015 | Revised: 09/18/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (7) | Total Visits (24664) | Similar Articles (1745) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1403) | Core Tip (1156) | Full Article (HTML) (7433) | Figures (1-3) (417) | Full Article (PDF)-1184K (935) | Peer-Review Report-91K (245) | Answering Reviewers-106K (321) | Received: 04/28/2015 | Revised: 07/27/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (86) | Total Visits (16173) | Similar Articles (1772) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1664) | Core Tip (1629) | Full Article (HTML) (27967) | Figures (1-2) (770) | Full Article (PDF)-1398K (2599) | Peer-Review Report-80K (386) | Answering Reviewers-172K (398) | Received: 02/24/2015 | Revised: 06/15/2015 | Accepted: 09/02/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (143) | Total Visits (41319) | Similar Articles (7) | Timeline of Article Publication (5) | Authors Evaluation (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1192) | Core Tip (1112) | Full Article (HTML) (7441) | Tables (1-1) (360) | Full Article (PDF)-1093K (766) | Peer-Review Report-86K (206) | Answering Reviewers-106K (252) | Received: 04/28/2015 | Revised: 07/10/2015 | Accepted: 08/31/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (22) | Total Visits (15901) | Similar Articles (1) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1241) | Core Tip (1185) | Full Article (HTML) (4986) | Figures (1-8) (478) | Tables (1-8) (457) | Full Article (PDF)-1292K (800) | Peer-Review Report-92K (247) | Answering Reviewers-36K (260) | Received: 04/27/2015 | Revised: 07/03/2015 | Accepted: 09/15/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (53) | Total Visits (14494) | Similar Articles (2312) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open