Removing biases on the density of sub-Neptunes characterised via transit timing variations - Update on the mass-radius relationship of 34 Kepler planets
A. Leleu, J.-B. Delisle, S. Udry, R. Mardling, M. Turbet, J. A. Egger, Y. Alibert, G. Chatel, P. Eggenberger and M. Stalport