1. Department of Lymphatic SurgeryAZ Sint‐Maarten Hospital Mechelen Belgium
2. Department of Plastic and Reconstructive SurgeryNational Center for Global Health and Medicine (NCGM) Tokyo Japan
3. Department of Breast CenterKameda Medical Center Chiba Japan
4. Department of Nuclear MedicineH. Hartziekenhuis Mol Belgium
5. Department of Plastic SurgeryTaiyo‐kai Social Welfare Awachiiki Iryo Center Chiba Japan
6. International Lymphedema CenterHiroshima University Hospital Hiroshima Japan