1. From Molecular Imaging Research Program (Y.C., Y.K., C.Y., H.O., Y.W., M.S., Y.W.), Frontier Research System, Institute of Physical and Chemical Research (RIKEN), Wako, Saitama, Japan; Department of Physiology (Y.C., Y.K., Y.W., Y.W.), Osaka City University Graduate School of Medicine, Osaka, Japan; Hamamatsu Pharma Research, Inc (H.T.), Hamamatsu, Shizuoka, Japan; Central Research Laboratory (T.K., H.O., H.T.), Hamamatsu Photonics K.K., Hamamatsu, Shizuoka, Japan; Department of Biomolecular Science...