[1] Univ Leeds, Leeds Inst Biomed & Clin Sci, Leeds, W Yorkshire, England
[2] St James Univ Hosp, Malignant Hyperthermia Unit, Leeds, W Yorkshire, England
[3] Massey Univ, Inst Fundamental Sci, Palmerston North, New Zealand
[4] Univ Calif Davis, Dept Mol Biosci, Davis, CA USA
[5] Univ Leeds, Sch Biomed Sci, Leeds, W Yorkshire, England