1. Department of Molecular and Clinical Medicine, Institute of Medicine, Sahlgrenska Academy, University of Gothenburg, Blå stråket 5B, Gothenburg, Sweden
2. Formerly Department of Medicine, Uddevalla Hospital, Fjällvägen 9, Uddevalla, Sweden (retired)
3. Department of Pediatrics, Institute of Clinical Sciences, Queen Silvia Children's Hospital, Rondvägen 10, Gothenburg, Sweden