Thermal orientation and thermophoresis of anisotropic colloids: The role of the internal composition Oliver R. Gittus, Juan D. Olarte-Plata and Fernando Bresme Eur. Phys. J. E, 42 7 (2019) 90 Published online: 18 July 2019 DOI: 10.1140/epje/i2019-11852-5