We recruited and/or interviewed following participants for several qualitative research projects in　March 2022.Thank you so much for your cooperation.

• Urologist
• Gastroenterologist
• General surgeon
• Respiratory surgeon
• Thoracic surgeon
• Cardiothoracic surgeon
• Interventional cardiologist
• Interventional radiologist
• cardiologist
• gastroenterologist
• oncologist
• General practitioner
• ICU/Step down nurse
• OR nurse
• Perfusionist
• Biomedical engineer
• Head of Sterilization
• Retail Pharmacist
• Patients(Ovarian cancer,hypertension,lung disease)