Hendriks, M. J., Bucher, H. U., Klein, S. D., Streuli, J. C., Baumann-Hölzle, R. and Fauchère, J.-C. (2017) “Exploring societal solidarity in the context of extreme prematurity”, Swiss Medical Weekly, 147(0910), p. w14418. doi: 10.4414/smw.2017.14418.