1. Division of Surgical Specialties, Dept of Clinical Nursing, Faculty of Health Science, Wroclaw Medical University, 5 Bartla Street, 51-618 Wroclaw, Poland, Head: prof dr hab med Dariusz Janczak
2. Division of Surgical Specialties, Dept of Clinical Nursing, Faculty of Health Science, Wroclaw Medical University, 5 Bartla Street, 51-618 Wroclaw, Poland, Head: prof dr hab med Dariusz Janczak 2Dept of Surgery, 4th Military Teaching
3. Division of Surgical Specialties, Dept of Clinical Nursing, Faculty of Health Science, Wroclaw Medical University, 5 Bartla Street, 51-618 Wroclaw, Poland, Head: prof dr hab med Dariusz Janczak Dept of Surgery, 4th Military Teaching Hospital, 5 Weigla street, 50-981 Wroclaw, Poland, Head: prof dr hab med Dariusz Janczak