A UK-Japan joint paper is now published. This study tackled one of the largest unsolved issues in geodesy: TRF Scale. Thank you José, great achievement.

Authors: José Rodríguez, Graham Appleby and Toshimichi Otsubo
Title: Upgraded modelling for the determination of centre of mass corrections of geodetic SLR satellites: impact on key parameters of the terrestrial reference frame
Journal of Geodesy (available online on 16 Nov 2019)
https://link.springer.com/article/10.1007%2Fs00190-019-01315-0