1. Centre for Neuroendocrinology and Departments of Anatomy and Structural Biology (J.H.Q., A.C.M., A.T., S.J.P., C.J.K., D.R.G., G.M.A.), University of Otago School of Medical Sciences, Dunedin 9054, New Zealand
2. Centre for Physiology (X.L., A.E.H.), University of Otago School of Medical Sciences, Dunedin 9054, New Zealand