[1
]
Yale-New Haven Hospital, Yale University School of Medicine, New Haven, CT, USA.
[2
]
Division of Diabetology, St. Josef Hospital, Ruhr-University Bochum, Bochum, Germany.
[3
]
Boehringer Ingelheim Pharma GmbH & Co. KG, Ingelheim, Germany.
[4
]
Center for Metabolic Research, Veterans Affairs San Diego Healthcare System, University
of California San Diego School of Medicine, San Diego, CA, USA.