The formation of the W43 complex: constraining its atomic-to-molecular transition and searching for colliding clouds
F. Motte, Q. N. Luong, N. Schneider, F. Heitsch, S. Glover, P. Carlhoff, T. Hill, S. Bontemps, P. Schilke, F. Louvet, M. Hennemann, P. Didelon, H. Beuther