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Abstract (1245) | Core Tip (1282) | Full Article (HTML) (10182) | Figures (1-1) (517) | Tables (1-1) (368) | Full Article (PDF)-1231K (1108) | Peer-Review Report-155K (237) | Answering Reviewers-238K (347) | Received: 05/26/2015 | Revised: 07/08/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (22) | Total Visits (19866) | Similar Articles (99) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1284) | Core Tip (1215) | Full Article (HTML) (7254) | Figures (1-1) (476) | Full Article (PDF)-1231K (669) | Peer-Review Report-88K (298) | Answering Reviewers-67K (249) | Received: 04/13/2015 | Revised: 06/03/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (44) | Total Visits (17134) | Similar Articles (34) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1314) | Core Tip (1276) | Full Article (HTML) (4980) | Full Article (PDF)-1201K (686) | Peer-Review Report-79K (270) | Answering Reviewers-209K (254) | Received: 05/09/2015 | Revised: 07/27/2015 | Accepted: 09/14/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (19) | Total Visits (14017) | Similar Articles (88) | 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 (1316) | Core Tip (1282) | Full Article (HTML) (5220) | Tables (1-4) (473) | Full Article (PDF)-1201K (679) | Peer-Review Report-80K (202) | Answering Reviewers-92K (271) | Received: 04/15/2015 | Revised: 06/28/2015 | Accepted: 09/14/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (36) | Total Visits (15585) | Similar Articles (25) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1632) | Core Tip (1362) | Full Article (HTML) (15719) | Tables (1-4) (414) | Full Article (PDF)-1241K (2228) | Peer-Review Report-101K (440) | Answering Reviewers-283K (384) | Received: 04/26/2015 | Revised: 07/23/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (219) | Total Visits (28206) | Similar Articles (373) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1223) | Core Tip (1315) | Full Article (HTML) (8625) | Figures (1-4) (401) | Tables (1-2) (352) | Full Article (PDF)-1327K (1006) | Peer-Review Report-94K (297) | Answering Reviewers-67K (393) | Received: 04/23/2015 | Revised: 07/29/2015 | Accepted: 09/14/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (36) | Total Visits (18742) | Similar Articles (362) | Timeline of Article Publication (2) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1327) | Core Tip (1269) | Full Article (HTML) (5929) | Figures (1-1) (482) | Full Article (PDF)-1205K (754) | Peer-Review Report-79K (246) | Answering Reviewers-112K (244) | Received: 04/26/2015 | Revised: 07/29/2015 | Accepted: 09/14/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (26) | Total Visits (14559) | Similar Articles (162) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1421) | Core Tip (1420) | Full Article (HTML) (8687) | Figures (1-2) (432) | Full Article (PDF)-1274K (1077) | Peer-Review Report-83K (268) | Answering Reviewers-326K (268) | Received: 06/03/2015 | Revised: 09/11/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (79) | Total Visits (19704) | Similar Articles (330) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1572) | Core Tip (1312) | Full Article (HTML) (14244) | Figures (1-1) (401) | Tables (1-1) (335) | Full Article (PDF)-1536K (780) | Peer-Review Report-104K (232) | Answering Reviewers-212K (268) | Received: 04/28/2015 | Revised: 07/19/2015 | Accepted: 09/14/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (32) | Total Visits (23792) | Similar Articles (353) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1610) | Core Tip (1372) | Full Article (HTML) (7417) | Figures (1-2) (389) | Full Article (PDF)-1408K (947) | Peer-Review Report-81K (264) | Answering Reviewers-105K (439) | Received: 06/30/2015 | Revised: 08/03/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (54) | Total Visits (18597) | Similar Articles (1716) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1592) | Core Tip (1300) | Full Article (HTML) (14025) | Figures (1-3) (399) | Tables (1-2) (362) | Full Article (PDF)-1591K (1409) | Peer-Review Report-78K (304) | Answering Reviewers-71K (477) | Received: 04/28/2015 | Revised: 07/31/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (68) | Total Visits (25218) | Similar Articles (1717) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1502) | Core Tip (1383) | Full Article (HTML) (11720) | Figures (1-2) (395) | Tables (1-3) (318) | Full Article (PDF)-3282K (1242) | Peer-Review Report-91K (252) | Answering Reviewers-100K (307) | Received: 04/16/2015 | Revised: 05/28/2015 | Accepted: 08/31/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (53) | Total Visits (23054) | Similar Articles (1722) | Timeline of Article Publication (2) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1387) | Core Tip (1220) | Full Article (HTML) (6163) | Figures (1-1) (412) | Tables (1-1) (319) | Full Article (PDF)-1208K (796) | Peer-Review Report-109K (276) | Answering Reviewers-11K (252) | Received: 06/03/2015 | Revised: 07/28/2015 | Accepted: 09/14/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (53) | Total Visits (15320) | Similar Articles (64) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1126) | Core Tip (1139) | Full Article (HTML) (5269) | Tables (1-2) (359) | Full Article (PDF)-1257K (566) | Peer-Review Report-88K (335) | Answering Reviewers-63K (256) | Received: 04/28/2015 | Revised: 08/04/2015 | Accepted: 09/14/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (14) | Total Visits (15321) | Similar Articles (2251) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1315) | Core Tip (1157) | Full Article (HTML) (4225) | Tables (1-1) (390) | Full Article (PDF)-1087K (672) | Peer-Review Report-79K (219) | Answering Reviewers-210K (221) | Received: 04/18/2015 | Revised: 07/04/2015 | Accepted: 09/14/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (14) | Total Visits (12513) | Similar Articles (864) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1398) | Core Tip (1362) | Full Article (HTML) (4747) | Tables (1-3) (359) | Full Article (PDF)-1175K (683) | Peer-Review Report-111K (269) | Answering Reviewers-93K (430) | Received: 04/27/2015 | Revised: 08/22/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (8) | Total Visits (13871) | Similar Articles (0) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1263) | Core Tip (1225) | Full Article (HTML) (4813) | Tables (1-3) (350) | Full Article (PDF)-1244K (696) | Peer-Review Report-99K (221) | Answering Reviewers-103K (238) | Received: 06/29/2015 | Revised: 08/07/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (19) | Total Visits (14008) | Similar Articles (240) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1291) | Core Tip (1245) | Full Article (HTML) (7410) | Figures (1-2) (496) | Tables (1-3) (405) | Full Article (PDF)-1435K (738) | Peer-Review Report-144K (259) | Answering Reviewers-91K (313) | Received: 03/20/2015 | Revised: 04/28/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (26) | Total Visits (16818) | Similar Articles (50) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1552) | Core Tip (1464) | Full Article (HTML) (9102) | Figures (1-1) (385) | Tables (1-3) (390) | Full Article (PDF)-1377K (1808) | Peer-Review Report-81K (311) | Answering Reviewers-192K (432) | Received: 06/28/2015 | Revised: 08/17/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (53) | Total Visits (20616) | Similar Articles (41) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1185) | Core Tip (1247) | Full Article (HTML) (4088) | Tables (1-4) (374) | Full Article (PDF)-1160K (469) | Peer-Review Report-118K (207) | Answering Reviewers-450K (213) | Received: 07/23/2015 | Revised: 09/23/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (28) | Total Visits (12283) | Similar Articles (272) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1075) | Core Tip (1153) | Full Article (HTML) (6810) | Figures (1-1) (385) | Full Article (PDF)-1069K (711) | Peer-Review Report-92K (205) | Answering Reviewers-105K (291) | Received: 03/30/2015 | Revised: 05/30/2015 | Accepted: 08/31/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (31) | Total Visits (15321) | Similar Articles (4) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1280) | Core Tip (1445) | Full Article (HTML) (8209) | Figures (1-6) (461) | Tables (1-1) (341) | Full Article (PDF)-1824K (860) | Peer-Review Report-99K (266) | Answering Reviewers-185K (6355) | Received: 08/12/2015 | Revised: 09/18/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (7) | Total Visits (24008) | Similar Articles (1716) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1311) | Core Tip (1088) | Full Article (HTML) (7258) | Figures (1-3) (378) | Full Article (PDF)-1184K (898) | Peer-Review Report-91K (223) | Answering Reviewers-106K (304) | Received: 04/28/2015 | Revised: 07/27/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (85) | Total Visits (15549) | Similar Articles (1741) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1573) | Core Tip (1522) | Full Article (HTML) (26164) | Figures (1-2) (705) | Full Article (PDF)-1398K (2557) | Peer-Review Report-80K (363) | Answering Reviewers-172K (379) | Received: 02/24/2015 | Revised: 06/15/2015 | Accepted: 09/02/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (139) | Total Visits (38970) | 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 (1115) | Core Tip (1043) | Full Article (HTML) (5656) | Tables (1-1) (318) | Full Article (PDF)-1093K (730) | Peer-Review Report-86K (188) | Answering Reviewers-106K (233) | Received: 04/28/2015 | Revised: 07/10/2015 | Accepted: 08/31/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (22) | Total Visits (13635) | Similar Articles (1) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1161) | Core Tip (1109) | Full Article (HTML) (4793) | Figures (1-8) (439) | Tables (1-8) (402) | Full Article (PDF)-1292K (773) | Peer-Review Report-92K (231) | Answering Reviewers-36K (238) | Received: 04/27/2015 | Revised: 07/03/2015 | Accepted: 09/15/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (52) | Total Visits (13816) | Similar Articles (2274) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open