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Abstract (1448) | Core Tip (1382) | Full Article (HTML) (7836) | Figures (1-1) (583) | Full Article (PDF)-1231K (727) | Peer-Review Report-88K (357) | Answering Reviewers-67K (290) | Received: 04/13/2015 | Revised: 06/03/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (45) | Total Visits (19030) | Similar Articles (35) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1535) | Core Tip (1466) | Full Article (HTML) (5566) | Full Article (PDF)-1201K (776) | Peer-Review Report-79K (317) | Answering Reviewers-209K (298) | Received: 05/09/2015 | Revised: 07/27/2015 | Accepted: 09/14/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (19) | Total Visits (15668) | Similar Articles (90) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1409) | Core Tip (1382) | Full Article (HTML) (7450) | Tables (1-2) (543) | Full Article (PDF)-1112K (762) | Peer-Review Report-81K (259) | Answering Reviewers-63K (376) | Received: 04/28/2015 | Revised: 06/18/2015 | Accepted: 08/31/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (30) | Total Visits (17113) | Similar Articles (187) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1486) | Core Tip (1446) | Full Article (HTML) (5556) | Tables (1-4) (579) | Full Article (PDF)-1201K (757) | Peer-Review Report-80K (251) | Answering Reviewers-92K (324) | Received: 04/15/2015 | Revised: 06/28/2015 | Accepted: 09/14/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (36) | Total Visits (17415) | Similar Articles (26) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1862) | Core Tip (1595) | Full Article (HTML) (16729) | Tables (1-4) (535) | Full Article (PDF)-1241K (2350) | Peer-Review Report-101K (495) | Answering Reviewers-283K (473) | Received: 04/26/2015 | Revised: 07/23/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (235) | Total Visits (30667) | Similar Articles (382) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1417) | Core Tip (1578) | Full Article (HTML) (10090) | Figures (1-4) (527) | Tables (1-2) (528) | Full Article (PDF)-1327K (1091) | Peer-Review Report-94K (349) | Answering Reviewers-67K (455) | Received: 04/23/2015 | Revised: 07/29/2015 | Accepted: 09/14/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (36) | Total Visits (21926) | Similar Articles (371) | Timeline of Article Publication (2) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1544) | Core Tip (1501) | Full Article (HTML) (6435) | Figures (1-1) (588) | Full Article (PDF)-1205K (803) | Peer-Review Report-79K (321) | Answering Reviewers-112K (288) | Received: 04/26/2015 | Revised: 07/29/2015 | Accepted: 09/14/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (27) | Total Visits (16340) | Similar Articles (172) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1593) | Core Tip (1596) | Full Article (HTML) (9185) | Figures (1-2) (537) | Full Article (PDF)-1274K (1158) | Peer-Review Report-83K (318) | Answering Reviewers-326K (320) | Received: 06/03/2015 | Revised: 09/11/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (83) | Total Visits (21722) | Similar Articles (333) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1805) | Core Tip (1536) | Full Article (HTML) (19700) | Figures (1-1) (531) | Tables (1-1) (456) | Full Article (PDF)-1536K (2149) | Peer-Review Report-104K (305) | Answering Reviewers-212K (321) | Received: 04/28/2015 | Revised: 07/19/2015 | Accepted: 09/14/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (33) | Total Visits (32044) | Similar Articles (356) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1918) | Core Tip (1572) | Full Article (HTML) (7950) | Figures (1-2) (541) | Full Article (PDF)-1408K (1053) | Peer-Review Report-81K (337) | Answering Reviewers-105K (483) | Received: 06/30/2015 | Revised: 08/03/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (54) | Total Visits (20617) | Similar Articles (1801) | 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 (1586) | Core Tip (1417) | Full Article (HTML) (6819) | Figures (1-1) (518) | Tables (1-1) (432) | Full Article (PDF)-1208K (911) | Peer-Review Report-109K (336) | Answering Reviewers-11K (302) | Received: 06/03/2015 | Revised: 07/28/2015 | Accepted: 09/14/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (54) | Total Visits (17335) | Similar Articles (65) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1328) | Core Tip (1313) | Full Article (HTML) (7643) | Tables (1-2) (465) | Full Article (PDF)-1257K (697) | Peer-Review Report-88K (392) | Answering Reviewers-63K (308) | Received: 04/28/2015 | Revised: 08/04/2015 | Accepted: 09/14/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (14) | Total Visits (19103) | Similar Articles (2360) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1489) | Core Tip (1377) | Full Article (HTML) (4663) | Tables (1-1) (533) | Full Article (PDF)-1087K (800) | Peer-Review Report-79K (266) | Answering Reviewers-210K (277) | Received: 04/18/2015 | Revised: 07/04/2015 | Accepted: 09/14/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (16) | Total Visits (14260) | Similar Articles (888) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1592) | Core Tip (1607) | Full Article (HTML) (5136) | Tables (1-3) (466) | Full Article (PDF)-1175K (785) | Peer-Review Report-111K (355) | Answering Reviewers-93K (492) | Received: 04/27/2015 | Revised: 08/22/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (8) | Total Visits (15590) | Similar Articles (0) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1454) | Core Tip (1400) | Full Article (HTML) (5232) | Tables (1-3) (476) | Full Article (PDF)-1244K (787) | Peer-Review Report-99K (281) | Answering Reviewers-103K (298) | Received: 06/29/2015 | Revised: 08/07/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (20) | Total Visits (15717) | Similar Articles (241) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1469) | Core Tip (1415) | Full Article (HTML) (7983) | Figures (1-2) (619) | Tables (1-3) (533) | Full Article (PDF)-1435K (813) | Peer-Review Report-144K (308) | Answering Reviewers-91K (366) | Received: 03/20/2015 | Revised: 04/28/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (27) | Total Visits (18709) | Similar Articles (50) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1764) | Core Tip (1691) | Full Article (HTML) (9951) | Figures (1-1) (490) | Tables (1-3) (526) | Full Article (PDF)-1377K (1907) | Peer-Review Report-81K (365) | Answering Reviewers-192K (481) | Received: 06/28/2015 | Revised: 08/17/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (53) | Total Visits (22969) | Similar Articles (43) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1346) | Core Tip (1454) | Full Article (HTML) (4406) | Tables (1-4) (512) | Full Article (PDF)-1160K (550) | Peer-Review Report-118K (277) | Answering Reviewers-450K (289) | Received: 07/23/2015 | Revised: 09/23/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (28) | Total Visits (13813) | Similar Articles (291) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1234) | Core Tip (1316) | Full Article (HTML) (7576) | Figures (1-1) (504) | Full Article (PDF)-1069K (785) | Peer-Review Report-92K (252) | Answering Reviewers-105K (340) | Received: 03/30/2015 | Revised: 05/30/2015 | Accepted: 08/31/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (31) | Total Visits (17402) | Similar Articles (4) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1446) | Core Tip (1644) | Full Article (HTML) (8695) | Figures (1-6) (593) | Tables (1-1) (473) | Full Article (PDF)-1824K (945) | Peer-Review Report-99K (325) | Answering Reviewers-185K (6408) | Received: 08/12/2015 | Revised: 09/18/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (7) | Total Visits (25757) | Similar Articles (1801) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1528) | Core Tip (1302) | Full Article (HTML) (7828) | Figures (1-3) (499) | Full Article (PDF)-1184K (977) | Peer-Review Report-91K (269) | Answering Reviewers-106K (351) | Received: 04/28/2015 | Revised: 07/27/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (86) | Total Visits (17372) | Similar Articles (1828) | 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 (1308) | Core Tip (1229) | Full Article (HTML) (8665) | Tables (1-1) (436) | Full Article (PDF)-1093K (812) | Peer-Review Report-86K (245) | Answering Reviewers-106K (285) | Received: 04/28/2015 | Revised: 07/10/2015 | Accepted: 08/31/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (22) | Total Visits (17910) | Similar Articles (1) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1351) | Core Tip (1338) | Full Article (HTML) (5240) | Figures (1-8) (545) | Tables (1-8) (529) | Full Article (PDF)-1292K (839) | Peer-Review Report-92K (284) | Answering Reviewers-36K (289) | Received: 04/27/2015 | Revised: 07/03/2015 | Accepted: 09/15/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (55) | Total Visits (15632) | Similar Articles (2392) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open