Ali Abdurahman A., Saudi Arabia

Ali Abdurahman A., Saudi Arabia, April, 2017, Asklepios Childrens Hospital in Sankt Augustin, Prof. Dr. med. Boulos Asfour.

Omar A., Jordan

Omar A., Jordan, March, 2017, Academic Hospital Augustinerinnen.

Irina K., Belarus

Irina K., Belarus, August, 2017, University Hospital Bonn, Prof. Dr. Finger.

Younis Talib Jalal S., Iraq

Younis Talib Jalal S., Iraq, August, 2017, Urological Private Practice, Prof. Dr. med. H. Schuldes.

Marwa Nabil Abdelmaksoud M., Egypt

Marwa Nabil Abdelmaksoud M., Egypt, July, 2017, Multispecialty Medical Center Preventicum.

Farid K., Jordan

Farid K., Jordan, September, 2016, Charite University Hospital Berlin, Prof. Dr. med. Bertram Wiedenmann.

Hazem Mahmoud Samy M., Egypt

Hazem Mahmoud Samy M., Egypt, August, 2017, Preventicum.

Mykhailo N., Ukraine

Mykhailo N., Ukraine, October 2018, Clinic for Molecular Orthopedics Duesseldorf, Priv.-Doz. Dr. Baltzer.

Artavazd and Susambar, Armenia

Artavazd and Susambar, Armenia, November 2017, University Hospital Düsseldorf.

William E., USA

William E., USA, November 2018, University Hospital Saarland Homburg, Prof. Dr. med. Samer Ezziddin.

William E., USA

William E., USA, November 2018, University Hospital Saarland Homburg, Dr. med. Michel Al Ghazal.

Boris T., USA

Boris T., USA, Marth, 2017, Academic Hospital Schwabing, Prof. Dr. med. Robert Ritzel.

Hrygorii V., Ukraine

Hrygorii V., Ukraine, September 2018, St. Vincentius Hospital Karlsruhe-Academic Hospital of the University of Freiburg, Prof. Dr. Christian Meyer.

William E., USA

William E., USA, November 2018, University Hospital Saarland Homburg, Dr. Winkler.

Aizaryk D., Kazakhstan

Aizaryk D., Kazakhstan, August, 2017, University Hospital Bonn, Dr. Petrak.