[1] Karolinska Inst, Dept Med Biochem & Biophys, Stockholm, Sweden
[2] Max Planck Inst Biochem, Martinsried, Germany
[3] Karolinska Univ Hosp, Ctr Inherited Metab Dis, Stockholm, Sweden
[4] Karolinska Inst, Dept Physiol & Pharmacol, Stockholm, Sweden
[5] Karolinska Inst, Dept Med, Stockholm, Sweden
[6] Max Planck Inst Biol Ageing, Cologne, Germany