Key points are not available for this paper at this time.
Hillebrandt, A.v., Krystyn, L., Kürschner, W.M., Bonis, N.R., Ruhl, M., Richoz, S., Schobben, M. A. N., Urlichs, M., Bown, P.R., Kment, K., McRoberts, C.A., Simms, M., Tomãsových, A. Episodes 2013;36:162-98. https://doi.org/10.18814/epiiugs/2013/v36i3/001
Hillebrandt et al. (Sun,) studied this question.