Rio de janeiro, Brazil, Instituto Nacional de Cardiologia: A. Issa, H. Cramer, C. Lamas, M. Paulino, V. Belidio, L. Sabioni, Buenos Aires, Argentina, Hospital de Clinicas of the University: R. Pérez de la Hoz, J. Martin Aladio, M. Matsudo, S. Swieszkowski, A. Perez de la Hoz Buenos Aires, Argentina, Sanatorio Güemes: E. J. Zaidel, J. Perea, M. Ariel Oliva, N. Carboni Martinez, N. Bisso, L. Gheco, Dhaka Bangladesh, Dhaka Medical College Hospital, S. Talukder, S.Akter, M. Robed Amin, M. Ahmedul Kabir, M. Khairul Islam, M. Mohiuddin Sharif, K. Fayzus Salahin, S. Hossain, Dhaka, Bangladesh, Kuwait Bangladesh Friendship Govt. Hospital, A. Rahim, K. M. Rubayet Anwar, S. Sajmin Siddiqa, M. Rahman, A. Hossain, Dhaka, Bangladesh Bangladesh Specialized Hospital, A. Wadud Chowdhury, M. Mohiuddin Ahmed, M. Mushfiqur Rahman, U.F. Sultana, Srpska, Bosnia and Herzegovina, University Clinical Center Republic of Srpska: B. Stanetic, I. Ovcina, B. Dujakovic, R. Tamburic, D. Vulic, R. Skrbic, Temuco, Chile, Hospital Dr. Hernán Henríquez Aravena, P. Figuero, F. La, C. Acs, S. Saavedra Bogota, Colombia, Clinica de Occidente, J Lugo-Peña, M. Ángel Zuleta, Cali, Colombia, Fundacion Valle del Lili, J. Esteban Gomez Mesa, S. Stephania Galindo-Coral, Maria Claudia Montes, Tbilisi, Georgia, High Technology Medical Centre, University Clinic (HTMC), K. Chelidze, I. Mamatsashvli Kumasi, Ghana, Komfo Anokye Teaching Hospital: L Tetteh Appia, Y. Hardy, J. Hutton, Accra, Ghana, Military Hospital: A. Toppar, Ludhiana, India, Dayanand Medical College Hospital: B. Mohan, M. Mennen, S. Singla, K. Jain, Ankush, Hyderabad, India, Apollo Hospital: V. Ram, G. Praveen Kumar, K. Subba Reddy, B.V.K.S.Sowmya, M. Rebecca, Hyderabad, India, Apollo Medical College, Jubilee Hills, S. Kuruvada, A. Nimmagadda, A. Begum, Jodhpur, India, P. Bhardwaj, J. Charan, S. Deora, D.Sharma, New Delhi, India, All India Institute Of Medical Sciences (AIIMS), N Naik, N Rai Jakarta, Indonesia, National Cardiovascular Center harapan Kita Hospital, D. Juzar, I Firdaus, B. Putra, M. Rayhan, Isfahan, Iran, Amin Hospital: Ladan Sadeghian, N. Sarrafzadegan, Khorshid hospital, Isfahan, Iran, Mohammad Hashemi, Kyoto, Japan, Kyoto Medical Center: K. Hasegawa, Y. Iida, Tokyo, Japan, Kitasato University School of Medicine, J. Ako, R. Kameda, Tochigi, Japan, NHO Tochigi Medical Center, T. Kato, Mombasa, Kenya, Coast General Teaching and Referral Hospital: E. Ogola, K. Mwazo, V. Vaghela, S. Mohamed, A. Abeid, V. Mumbo, M. Ali Mohamed, A. Ikbal Varvani, M. Omar, V. Karegi, B. Nduati, Swaleh, E. Gacheri, D. Anyanga, S. M. Mohamed, E. Gacheri Riungu, D. Anyanga, Mombasa, Kenya, The Mombasa Hospital, S. Mohamed, E. Gacheri Riungu, D. Anyanga, J. Kamuyu Muriuki, K. Rose, Guanajuato, Mexico, ISSSTE Clínica Hospital de Guanajuato, A. Puentes Puentes, Lagos Nigeria, College of Medicine University of Lagos, A. Mbakwem, Ibadan, Nigeria, University College Hospital: O. Ogah, O. Adekanmbi, O. Adebayo, Y. Oyebisi, O. Makinde, O.A. Orimolade, O. Makinde, S. Alabi, Sagamu, Nigeria, Olabisi Onabanjo University Teaching Hospital: F. Inofomoh, Ranti Familoni, Abimbola Olaitan, Victor Ayeni, Boluwatife Egbetola, Sindh, Pakistan, Tabba Heart Institute: S. Sheikh, H. Khan, Z Ahmed, S.F. Ali, R. Malik, Lisbon, Portugal, University Hospital Sta Maria: F. Pinto, D. Caldeira, S. Braz, J. Agostinho, J. Brito, H. Barbacena, F. Parlato, C. Carreiro, R. Soares, C. Gomes, A. Pinto Sousa, M. José Pires, St. Petersburg, Russia, Almazov National Medical Research Centre, A. Konradi, Z. Kobalava, Y. Yudina, M. Ionov, S. Verbilo, Y. Lavrishcheva, S. Bondar, Y. Khruleva Moscow, Russia, RUDN University, City clinical hospital named Vinogradov, L. Contselidze, Y. Khruleva Kazan, Russia, Kazan Clinical Hospital, A. Galyavich, Z. Kim, Tomsk, Russia, Tomsk National Research Medical Centre, Asinovskaya Regional Hospital, A. Svarovskaya, A. Kuznetsova, Ryazan, Russia, Ryazan State Medical University, Ryazan Emergency Hospital, E. Philippov, Cape Town, South Africa, Groote Schuur Hospital: N.A.B. Ntusi, L. Chinhoyi, O. Briton, C. Viljoen, K. Sliwa, P. Singh, S. Mazondwa, M. Mennen, N. Williams, Khartoum, Sudan, Fedail Hospital: A. Suliman, Zurich, Switzerland, University Hospital of Zurich Hospital, F. Thienemann, V. Rossi, T. Studer; Atlanta, United States, A. Quyyumi, M. Prasad, D. Braun, Lusaka, Zambia, Levy Mwanawasa University Hospital: F. Goma, N. Mumba. ISSSTE Clínica Hospital de Guanajuato, J.E. Luna Cárdenas, G.Sánchez Loza.