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Abstract (1570) | Core Tip (1807) | Full Article (HTML) (8811) | Figures (1-7) (479) | Tables (1-2) (462) | Full Article (PDF)-3357K (1079) | Audio-1819K (24) | Peer-Review Report-85K (294) | Answering Reviewers-162K (313) | Received: 03/01/2015 | Revised: 08/04/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (56) | Total Visits (22458) | Similar Articles (217) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1843) | Core Tip (1924) | Full Article (HTML) (10189) | Figures (1-6) (722) | Tables (1-2) (435) | Full Article (PDF)-2222K (2117) | Audio-2027K (86) | Peer-Review Report-72K (504) | Answering Reviewers-66K (691) | Received: 08/29/2015 | Revised: 10/14/2015 | Accepted: 11/13/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (65) | Total Visits (41279) | Similar Articles (8) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1486) | Core Tip (1366) | Full Article (HTML) (3961) | Figures (1-2) (442) | Tables (1-2) (448) | Full Article (PDF)-1519K (539) | Audio-1220K (23) | Peer-Review Report-79K (297) | Answering Reviewers-128K (272) | Received: 04/08/2015 | Revised: 08/27/2015 | Accepted: 09/14/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (5) | Total Visits (13877) | Similar Articles (1) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1234) | Core Tip (1236) | Full Article (HTML) (4196) | Figures (1-3) (524) | Full Article (PDF)-1194K (604) | Audio-1020K (15) | Peer-Review Report-130K (274) | Answering Reviewers-443K (314) | Received: 03/03/2015 | Revised: 06/11/2015 | Accepted: 09/02/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (20) | Total Visits (15681) | Similar Articles (31) | 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 (1371) | Core Tip (1415) | Full Article (HTML) (4695) | Figures (1-5) (416) | Tables (1-1) (409) | Full Article (PDF)-1174K (774) | Audio-850K (12) | Peer-Review Report-86K (285) | Answering Reviewers-69K (299) | Received: 04/29/2015 | Revised: 08/24/2015 | Accepted: 10/20/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (22) | Total Visits (16339) | Similar Articles (256) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1185) | Core Tip (1169) | Full Article (HTML) (4406) | Figures (1-1) (442) | Tables (1-3) (455) | Full Article (PDF)-939K (576) | Audio-358K (13) | Peer-Review Report-92K (206) | Answering Reviewers-168K (496) | Received: 05/24/2015 | Revised: 07/09/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (16) | Total Visits (14970) | Similar Articles (36) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1483) | Core Tip (1960) | Full Article (HTML) (7705) | Figures (1-1) (646) | Tables (1-3) (446) | Full Article (PDF)-886K (683) | Audio-1970K (57) | Peer-Review Report-80K (314) | Answering Reviewers-195K (310) | Received: 05/29/2015 | Revised: 08/17/2015 | Accepted: 10/26/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (8) | Total Visits (22053) | Similar Articles (1184) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1276) | Core Tip (1136) | Full Article (HTML) (4750) | Figures (1-3) (466) | Tables (1-6) (406) | Full Article (PDF)-927K (520) | Audio-718K (31) | Peer-Review Report-98K (313) | Answering Reviewers-119K (284) | Received: 08/04/2015 | Revised: 09/20/2015 | Accepted: 11/13/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (10) | Total Visits (16148) | Similar Articles (1) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1491) | Core Tip (1333) | Full Article (HTML) (4042) | Figures (1-3) (446) | Tables (1-3) (413) | Full Article (PDF)-1031K (584) | Audio-590K (18) | Peer-Review Report-99K (227) | Answering Reviewers-321K (337) | Received: 05/13/2015 | Revised: 07/21/2015 | Accepted: 10/13/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (6) | Total Visits (15552) | Similar Articles (11) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1198) | Core Tip (1137) | Full Article (HTML) (3907) | Figures (1-1) (465) | Tables (1-5) (359) | Full Article (PDF)-860K (705) | Audio-483K (26) | Peer-Review Report-75K (233) | Answering Reviewers-55K (236) | Received: 06/05/2015 | Revised: 08/31/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (9) | Total Visits (14478) | Similar Articles (1185) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1255) | Core Tip (1237) | Full Article (HTML) (3831) | Figures (1-1) (451) | Tables (1-3) (429) | Full Article (PDF)-825K (721) | Audio-478K (16) | Peer-Review Report-92K (310) | Answering Reviewers-122K (315) | Received: 05/14/2015 | Revised: 07/28/2015 | Accepted: 10/13/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (10) | Total Visits (15719) | Similar Articles (86) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1407) | Core Tip (1825) | Full Article (HTML) (5558) | Figures (1-2) (486) | Tables (1-4) (396) | Full Article (PDF)-998K (619) | Audio-706K (15) | Peer-Review Report-82K (283) | Answering Reviewers-225K (336) | Received: 05/23/2015 | Revised: 07/07/2015 | Accepted: 09/14/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (13) | Total Visits (17269) | Similar Articles (1185) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1816) | Core Tip (1443) | Full Article (HTML) (5763) | Tables (1-5) (368) | Full Article (PDF)-813K (1218) | Audio-6895K (124) | Peer-Review Report-81K (281) | Answering Reviewers-121K (250) | Received: 04/30/2015 | Revised: 07/27/2015 | Accepted: 10/13/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (53) | Total Visits (18981) | Similar Articles (154) | Timeline of Article Publication (2) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1373) | Core Tip (1751) | Full Article (HTML) (3948) | Figures (1-4) (473) | Tables (1-2) (449) | Full Article (PDF)-953K (769) | Audio-322K (12) | Peer-Review Report-74K (315) | Answering Reviewers-259K (269) | Received: 06/26/2015 | Revised: 07/30/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (30) | Total Visits (15184) | Similar Articles (56) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1375) | Core Tip (1138) | Full Article (HTML) (4152) | Figures (1-3) (375) | Tables (1-1) (412) | Full Article (PDF)-900K (648) | Audio-830K (27) | Peer-Review Report-81K (271) | Answering Reviewers-90K (292) | Received: 02/23/2015 | Revised: 04/13/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (4) | Total Visits (14475) | Similar Articles (27) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1793) | Core Tip (1716) | Full Article (HTML) (4059) | Figures (1-3) (535) | Tables (1-2) (944) | Full Article (PDF)-1036K (593) | Audio-601K (23) | Peer-Review Report-79K (280) | Answering Reviewers-63K (307) | Received: 06/08/2015 | Revised: 07/17/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (2) | Total Visits (14725) | Similar Articles (365) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1681) | Core Tip (1559) | Full Article (HTML) (4989) | Tables (1-5) (850) | Full Article (PDF)-770K (543) | Audio-312K (13) | Peer-Review Report-71K (267) | Answering Reviewers-70K (293) | Received: 06/12/2015 | Revised: 09/09/2015 | Accepted: 11/13/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (22) | Total Visits (17170) | Similar Articles (156) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1255) | Core Tip (1280) | Full Article (HTML) (6411) | Figures (1-7) (411) | Tables (1-3) (439) | Full Article (PDF)-935K (1026) | Audio-803K (15) | Peer-Review Report-84K (335) | Answering Reviewers-98K (318) | Supplementary Material-2013K (396) | Received: 05/21/2015 | Revised: 07/22/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (84) | Total Visits (19299) | Similar Articles (759) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1191) | Core Tip (1199) | Full Article (HTML) (6362) | Figures (1-3) (436) | Tables (1-1) (513) | Full Article (PDF)-937K (841) | Audio-794K (16) | Peer-Review Report-104K (235) | Answering Reviewers-117K (223) | Received: 04/28/2015 | Revised: 09/14/2015 | Accepted: 10/13/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (41) | Total Visits (17337) | Similar Articles (109) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1863) | Core Tip (1389) | Full Article (HTML) (3803) | Figures (1-5) (512) | Full Article (PDF)-918K (538) | Audio-1506K (16) | Peer-Review Report-103K (218) | Answering Reviewers-93K (249) | Received: 04/19/2015 | Revised: 06/15/2015 | Accepted: 09/14/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (3) | Total Visits (13058) | Similar Articles (5) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1903) | Core Tip (1743) | Full Article (HTML) (7443) | Full Article (PDF)-600K (872) | Audio-633K (22) | Peer-Review Report-81K (363) | Answering Reviewers-29K (401) | Received: 05/28/2015 | Accepted: 11/09/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (193) | Total Visits (18589) | Similar Articles (600) | Timeline of Article Publication (2) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open