1 Maja H. Oktay: Department of Anatomy and Structural Biology, Albert Einstein College of Medicine, Bronx, NY, USA; Gruss-Lipper Biophotonics Center, Albert Einstein College of Medicine, Bronx, NY, USA; Integrated Imaging Program, Albert Einstein College of Medicine, Bronx, NY, USA; Department of Pathology, Montefiore Medical Center, Bronx, NY, USA.