[1] ETH, Inst Pharmazeut Wissensch, Dept Chem & Angew Biowissensch, CH-8093 Zurich, Switzerland
[2] ETH, Philochem AG, CH-8093 Zurich, Switzerland
[3] Univ Klinikum Tubingen, AG Neurodegenerat Auges, Forsch Inst Augenheilkunde, Dept Augenheilkunde, D-72076 Tubingen, Germany
[4] Univ Zurich, Dept Electrotech, Inst Biomed Tech, Anim Imaging Ctr, CH-8093 Zurich, Switzerland