1. Department of Oncology, Sahlgrenska University Hospital, Sahlgrenska Academy at Göteborg University, Göteborg, Sweden.
2. Department of Ophthalmology, Sahlgrenska University Hospital, Sahlgrenska Academy at Göteborg University, Göteborg, Sweden.
3. Department of Surgery, Sahlgrenska University Hospital, Sahlgrenska Academy at Göteborg University, Göteborg, Sweden.
4. Department of Endocrinology, Sahlgrenska University Hospital, Sahlgrenska Academy at Göteborg University, Göteborg, Sweden.