1 Department of Immunology, Genetics and Pathology, Science for Life Laboratory, Uppsala University, 751 85 Uppsala, Sweden. eva-lena.stattin@igp.uu.se.
2 Department of Surgical Sciences, Radiology, Uppsala University, 751 85 Uppsala, Sweden. johan.wikstrom@radiol.uu.se.
3 Department of Clinical Sciences/ Otorhinolaryngology Faculty of Medicine, Umeå University, 901 87 Umeå, Sweden. wesam.ojmaya@gmail.com.
4 Sahlgrenska Osteoporosis Centre, Centre for Bone and Arthritis Research, Department of Internal Medicine and Clinical Nutrition, Institute for Medicine, Sahlgrenska Academy at University of Gothenburg, Gothenburg, Sweden. ulf.lerner@gu.se.