Head holder and cranial window design for sequential magnetic resonance imaging and optical imaging in awake mice oleh Signe H. Mikkelsen, Boris Wied, Vitalii Dashkovskyi, Thomas Beck Lindhardt, Lydiane Hirschler, Jan M. Warnking, Emmanuel L. Barbier, Dmitry Postnov, Brian Hansen, Eugenio Gutiérrez-Jiménez