[1] Univ Uppsala Hosp, Dept Med Sci, SE-75185 Uppsala, Sweden
[2] Univ Uppsala Hosp, Dept Med Biochem & Microbiol, SE-75185 Uppsala, Sweden
[3] AgResearch, Hamilton, New Zealand
[4] Univ Uppsala Hosp, Dept Neurosci, SE-75185 Uppsala, Sweden
[5] Linkoping Univ, IFM, Linkoping, Sweden
[6] Swedish Univ Agr Sci, Dept Anim Breeding & Genet, S-75007 Uppsala, Sweden
[7] Univ Gothenburg, Sahlgrenska Hosp, Div Endocrinol, Dept Internal Med, Gothenburg, Sweden
[8] Univ Uppsala Hosp, Dept Surg Sci, Sect Orthoped, SE-75185 Uppsala, Sweden