1. Protein Transport and Secretion Unit, Division of Genetics and Cell Biology, Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS) Ospedale San Raffaele, Università Vita-Salute San Raffaele, 20132 Milan, Italy.
2. Biomolecular Nuclear Magnetic Resonance (NMR) Unit, Division of Genetics and Cell Biology, IRCCS Ospedale San Raffaele, Università Vita-Salute San Raffaele, 20132 Milan, Italy.
3. Metalloid Transport Group, Leibniz Institute of Plant Genetics and Crop Plant Research, 06466 Gatersleben, Germany.
4. Cell Biology Unit, IRCCS Azienda Ospedaliera Universitaria (AOU) San Martino-IST, 16132 Genoa, Italy.