1. Institute of Bioscience and BioResources, National Research Council, Via Pietro Castellino 111, 80131 Naples, Italy
2. Institute of Biostructures and Bioimaging, National Research Council, Via Pietro Castellino 111, 80131 Naples, Italy
3. Institute of Crystallography, National Research Council, Department of Chemical Sciences and Materials Technologies, Via Salaria km 29.300, Monterotondo, 00015 Rome, Italy