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Abstract (1455) | Core Tip (1509) | Full Article (HTML) (11514) | Figures (1-1) (712) | Tables (1-1) (509) | Full Article (PDF)-1231K (1229) | Peer-Review Report-155K (308) | Answering Reviewers-238K (432) | Received: 05/26/2015 | Revised: 07/08/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (25) | Total Visits (23178) | Similar Articles (103) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1492) | Core Tip (1438) | Full Article (HTML) (7967) | Figures (1-1) (619) | Full Article (PDF)-1231K (758) | Peer-Review Report-88K (403) | Answering Reviewers-67K (312) | Received: 04/13/2015 | Revised: 06/03/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (45) | Total Visits (19859) | Similar Articles (35) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1588) | Core Tip (1516) | Full Article (HTML) (5721) | Full Article (PDF)-1201K (817) | Peer-Review Report-79K (337) | Answering Reviewers-209K (313) | Received: 05/09/2015 | Revised: 07/27/2015 | Accepted: 09/14/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (19) | Total Visits (16333) | Similar Articles (93) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1463) | Core Tip (1430) | Full Article (HTML) (7613) | Tables (1-2) (573) | Full Article (PDF)-1112K (800) | Peer-Review Report-81K (283) | Answering Reviewers-63K (396) | Received: 04/28/2015 | Revised: 06/18/2015 | Accepted: 08/31/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (35) | Total Visits (18168) | Similar Articles (191) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1534) | Core Tip (1503) | Full Article (HTML) (5657) | Tables (1-4) (609) | Full Article (PDF)-1201K (790) | Peer-Review Report-80K (274) | Answering Reviewers-92K (351) | Received: 04/15/2015 | Revised: 06/28/2015 | Accepted: 09/14/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (36) | Total Visits (18227) | Similar Articles (26) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1965) | Core Tip (1672) | Full Article (HTML) (16878) | Tables (1-4) (563) | Full Article (PDF)-1241K (2385) | Peer-Review Report-101K (516) | Answering Reviewers-283K (494) | Received: 04/26/2015 | Revised: 07/23/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (243) | Total Visits (31454) | Similar Articles (386) | 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 (1598) | Core Tip (1562) | Full Article (HTML) (6557) | Figures (1-1) (628) | Full Article (PDF)-1205K (836) | Peer-Review Report-79K (341) | Answering Reviewers-112K (308) | Received: 04/26/2015 | Revised: 07/29/2015 | Accepted: 09/14/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (28) | Total Visits (17074) | Similar Articles (178) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1640) | Core Tip (1643) | Full Article (HTML) (9302) | Figures (1-2) (568) | Full Article (PDF)-1274K (1199) | Peer-Review Report-83K (347) | Answering Reviewers-326K (343) | Received: 06/03/2015 | Revised: 09/11/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (84) | Total Visits (22516) | Similar Articles (339) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1873) | Core Tip (1586) | Full Article (HTML) (19840) | Figures (1-1) (569) | Tables (1-1) (488) | Full Article (PDF)-1536K (2186) | Peer-Review Report-104K (329) | Answering Reviewers-212K (345) | Received: 04/28/2015 | Revised: 07/19/2015 | Accepted: 09/14/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (34) | Total Visits (32829) | Similar Articles (362) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1973) | Core Tip (1634) | Full Article (HTML) (8091) | Figures (1-2) (576) | Full Article (PDF)-1408K (1082) | Peer-Review Report-81K (355) | Answering Reviewers-105K (508) | Received: 06/30/2015 | Revised: 08/03/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (57) | Total Visits (21424) | Similar Articles (1865) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1868) | Core Tip (1555) | Full Article (HTML) (15564) | Figures (1-3) (544) | Tables (1-2) (525) | Full Article (PDF)-1591K (1570) | Peer-Review Report-78K (391) | Answering Reviewers-71K (565) | Received: 04/28/2015 | Revised: 07/31/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (78) | Total Visits (28854) | Similar Articles (1866) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1711) | Core Tip (1619) | Full Article (HTML) (12343) | Figures (1-2) (570) | Tables (1-3) (462) | Full Article (PDF)-3282K (1381) | Peer-Review Report-91K (329) | Answering Reviewers-100K (390) | Received: 04/16/2015 | Revised: 05/28/2015 | Accepted: 08/31/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (57) | Total Visits (25680) | Similar Articles (1871) | Timeline of Article Publication (2) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1644) | Core Tip (1482) | Full Article (HTML) (6925) | Figures (1-1) (552) | Tables (1-1) (466) | Full Article (PDF)-1208K (945) | Peer-Review Report-109K (355) | Answering Reviewers-11K (325) | Received: 06/03/2015 | Revised: 07/28/2015 | Accepted: 09/14/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (56) | Total Visits (18004) | Similar Articles (68) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1380) | Core Tip (1359) | Full Article (HTML) (7722) | Tables (1-2) (501) | Full Article (PDF)-1257K (725) | Peer-Review Report-88K (410) | Answering Reviewers-63K (329) | Received: 04/28/2015 | Revised: 08/04/2015 | Accepted: 09/14/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (14) | Total Visits (19811) | Similar Articles (2454) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1539) | Core Tip (1443) | Full Article (HTML) (4780) | Tables (1-1) (567) | Full Article (PDF)-1087K (851) | Peer-Review Report-79K (292) | Answering Reviewers-210K (308) | Received: 04/18/2015 | Revised: 07/04/2015 | Accepted: 09/14/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (17) | Total Visits (14981) | Similar Articles (913) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1654) | Core Tip (1663) | Full Article (HTML) (5225) | Tables (1-3) (502) | Full Article (PDF)-1175K (829) | Peer-Review Report-111K (388) | Answering Reviewers-93K (530) | Received: 04/27/2015 | Revised: 08/22/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (9) | Total Visits (16273) | Similar Articles (0) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1509) | Core Tip (1455) | Full Article (HTML) (5333) | Tables (1-3) (511) | Full Article (PDF)-1244K (825) | Peer-Review Report-99K (329) | Answering Reviewers-103K (343) | Received: 06/29/2015 | Revised: 08/07/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (20) | Total Visits (16581) | Similar Articles (242) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1518) | Core Tip (1468) | Full Article (HTML) (8097) | Figures (1-2) (674) | Tables (1-3) (571) | Full Article (PDF)-1435K (838) | Peer-Review Report-144K (331) | Answering Reviewers-91K (391) | Received: 03/20/2015 | Revised: 04/28/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (28) | Total Visits (19515) | Similar Articles (50) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1823) | Core Tip (1743) | Full Article (HTML) (10107) | Figures (1-1) (521) | Tables (1-3) (557) | Full Article (PDF)-1377K (1930) | Peer-Review Report-81K (389) | Answering Reviewers-192K (508) | Received: 06/28/2015 | Revised: 08/17/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (53) | Total Visits (23702) | Similar Articles (43) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1389) | Core Tip (1501) | Full Article (HTML) (4512) | Tables (1-4) (546) | Full Article (PDF)-1160K (577) | Peer-Review Report-118K (303) | Answering Reviewers-450K (312) | Received: 07/23/2015 | Revised: 09/23/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (29) | Total Visits (14536) | Similar Articles (297) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1273) | Core Tip (1356) | Full Article (HTML) (7729) | Figures (1-1) (548) | Full Article (PDF)-1069K (822) | Peer-Review Report-92K (271) | Answering Reviewers-105K (381) | Received: 03/30/2015 | Revised: 05/30/2015 | Accepted: 08/31/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (33) | Total Visits (18237) | Similar Articles (4) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1496) | Core Tip (1709) | Full Article (HTML) (8806) | Figures (1-6) (645) | Tables (1-1) (507) | Full Article (PDF)-1824K (965) | Peer-Review Report-99K (346) | Answering Reviewers-185K (6436) | Received: 08/12/2015 | Revised: 09/18/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (8) | Total Visits (26476) | Similar Articles (1865) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1581) | Core Tip (1349) | Full Article (HTML) (7968) | Figures (1-3) (540) | Full Article (PDF)-1184K (1012) | Peer-Review Report-91K (295) | Answering Reviewers-106K (378) | Received: 04/28/2015 | Revised: 07/27/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (88) | Total Visits (18132) | Similar Articles (1894) | 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 (1366) | Core Tip (1292) | Full Article (HTML) (8801) | Tables (1-1) (469) | Full Article (PDF)-1093K (852) | Peer-Review Report-86K (269) | Answering Reviewers-106K (303) | Received: 04/28/2015 | Revised: 07/10/2015 | Accepted: 08/31/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (23) | Total Visits (18644) | Similar Articles (1) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1397) | Core Tip (1387) | Full Article (HTML) (5367) | Figures (1-8) (600) | Tables (1-8) (567) | Full Article (PDF)-1292K (869) | Peer-Review Report-92K (309) | Answering Reviewers-36K (320) | Received: 04/27/2015 | Revised: 07/03/2015 | Accepted: 09/15/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (59) | Total Visits (16424) | Similar Articles (2500) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open