Anatomy of skyrmionic textures in magnetic multilayers od Li, W, Bykova, I, Zhang, S, Yu, G, Tomasello, R, Carpentieri, M, Liu, Y, Guang, Y, Graefe, J, Weigand, M, Burn, D, Van Der Laan, G, Hesjedal, T, Yan, Z, Feng, J, Wan, C, Wei, J, Wang, X, Zhang, X, Xu, H, Guo, C, Wei, H, Finocchio, G, Han, X, Schuetz, G