Paul A Anderson Gunnar B J Andersson Paul M Arnold Darrel S Brodke Erika D Brodt Jens R Chapman Dean Chou Mark Dekutoski Joseph R Dettori John G DeVine Claire G Ely Michael G Fehlings Dena J Fischer Daryl R Fourney Mitchell A Hansen Christopher Chambliss Harrod Robin Hashimoto Jeffrey T Hermsmeyer Alan S Hilibrand Manish K Kasliwal Michael P Kelly Han Jo Kim Paul Kraemer Brandon D Lawrence Michael J Lee Lawrence G Lenke Daniel C Norvell Annie Raich K Daniel Riew Christopher I Shaffrey Andrea C Skelly Justin S Smith Christopher J Standaert Ellen M Van Alstyne Jeffrey C Wang

bagher nikyar gorgan congenital malformations research center, golestan university of medical sciences, gorgan, iran. maliheh sedehi gorgan congenital malformations research center, golestan university of medical sciences, gorgan, iran. mostafa qorbani department of public health, alborz university of medical sciences, karaj, iran and non-communicable diseases research center, endocrinology and metabolism research insti- tute, tehran university of medical sciences, tehran, iran. arash nikyar cranfield university, london, england. mohammadjafar golalipour gorgan congenital malformations research center, golestan university of medical sciences, gorgan, iran.

ali akbar zeinaloo children’s medical center, tehran university of medical sciences, tehran, iran. seyyed mahmoud meraji shaheed rajayee cardiovascular center, iran university of medical sciences, tehran, iran. keyhan sayadpour zanjani children’s medical center, tehran university of medical sciences, tehran, iran. mohammad reza mirzaaghayan imam khomeini hospital complex, tehran university of medical sciences, tehran, iran.

ramin baghaei tehrani rajaee heart center, iran university of medical sciences, tehran, iran. alireza rostami rajaee heart center, iran university of medical sciences, tehran, iran. hosein ali basiri rajaee heart center, iran university of medical sciences, tehran, iran. hojatollah mortezaiian rajaee heart center, iran university of medical sciences, tehran, iran.