1 Department of Surgical Sciences, Uppsala University, Uppsala, Sweden; Institute of Clinical Medicine, University of Tartu, Tartu, Estonia. Electronic address: martin.bjorck@uu.se.
2 Hospital de Santa Marta, Unidade Local de Saúde São José, Centro Clínico Académico de Lisboa, Lisbon, Portugal; NOVA Medical School | Faculdade de Ciências Médicas, NMS|FCM, Universidade Nova de Lisboa, Lisbon, Portugal; Hospital CUF Tejo, Lisbon, Portugal.
3 Department of Surgical Sciences, Uppsala University, Uppsala, Sweden.