JAV, Clevelend Clinic, Miami University clinic;
Prancūzija, paris Paul Brosse clinic;
Belgija, Leuwen University hospital, Breast cancer fellowship J.Bourdet institute in Brussels;
Italija, Bologna University Oncology center;
Singapūras, NUHS Lung Cancer fellowship;
Vokietija, Austrija, Ispanija ir kitos šalys.