[1] Kings Coll London, Sch Biomed Engn & Imaging Sci, Kings Hlth Partners, London SE1 7EH, England
[2] Alma Mater Studiorum Univ Bologna, Dept Pharm & Biotechnol, I-40126 Bologna, Italy
[3] Italian Natl Res Council, Inst Organ Synth & Photoreact, I-40129 Bologna, Italy
[4] Novartis Co, Tech Res & Dev Adv Accelerator Applicat, Via Ribes 5, I-10010 Colleretto Giacosa, Italy