Statistical study of electron density turbulence and ion-cyclotron waves in the inner heliosphere: Solar Orbiter observations - Carbone, F; Sorriso-Valvo, L; Khotyaintsev, Y; Steinvall, K; Vecchio, A; Telloni, D; Yordanova, E; Graham, DB; Edberg, NJT; Eriksson, A; Johansson, EPG; Vasconez, CL; et al. (ASTRONOMY & ASTROPHYSICS, 2021)