We thank the NARA Network*, comprising: R Lienhard, L Vonallmen, C Schilt, A Scherler, K Lucke, M Jutzi, M Reichmuth, U Schibli, C Fricker, S Pranghofer, D Blanc, A Vitale, B Lemaire, M Fatoux, M Tritten, L Rumebe, N Liassine, G Jost, N Wohlwend, D Schultze, K Burren, A Westers, M Imperiali, L Pozzi, D Balzari, G Vaninetti, C Cirillo, V Gaia, E Pianezzi, G Martinetti Lucchini, F Baggi Menozzi, A Jayol, C Guyon, D Hyden, M Maitrejean, V Deggi-Messmer, D Bandeira, C Fournier, S Pfister, C Nusbaumer, L Bertaiola Monnerat, J Schrenzel, G Renzi, A Cherkaoui, D Andrey, S Emonet, M Eyer, R Maret, A Belo, D Mabillard, M Moraz, K Herzog, V Gisler, E Hitz, M Oberle, C Castelberg, H Fankhauser, S Graf, N Dubey, C Guler, M Schoenenberger, U Karrer, F Piran, C Andreutti, M Dessauges, T Schmid, B Suterbuser, I Mitrovic, V Bruderer, P Staehli, B Schnell, C O Marti, I Steffen, A Imhof, B Preiswerk, V Dilorenzo, C Payen, D Boschung, L Comte, M Schacher, M Brandenberger, C Zowa, C Zehnder, B Mathis, L Basilico, G Togni, P Minkova, Y Born, M Kuegler, V Povolo, S Droz, M Elzi, C Casanova, C Lang, A Blaich, S Schmid, B Ivan, S Mancini, O Dubois, K Narr, S Schoch, S Ellenberger and S Seiffert.