[1] VA Almazov NMRC, Cardiopulm Exercise Test SRL, St Petersburg, Russia
[2] VA Almazov NMRC, Heart Transplantat Outpatient Dept, St Petersburg, Russia
[3] VA Almazov NMRC, Hightech Management Heart Failure SRL, St Petersburg, Russia
[4] VA Almazov NMRC, Cardiol Dept 8, St Petersburg, Russia
[5] VA Almazov NMRC, Thorac Surg SRL, St Petersburg, Russia
[6] VA Almazov NMRC, Cardiothorac Surg Res Dept, St Petersburg, Russia
[7] VA Almazov NMRC, St Petersburg, Russia
[8] VA Almazov NMRC, Heart Failure Res Dept, St Petersburg, Russia