Dr Rex Gablraith is appreciated for giving a permission to revise and use the R code for drawing radial plot in this package.
The authors appreciate Professor Andrzej Bluszcz for providing assistance in finite-difference algorithm programming.
Professor Sheng-Hua Li and Professor Geoff Duller are thanked for helpful discussions concerning fast-component equivalent dose calculation. 
The authors thank Jeong-Heon Chio for providing published data to test function "decomp()".
The authors appreciate Dr Silke Schmidt, Dr Helena Rodnight, Dr Xian-Jiao Ou, and Dr Amanda Keen-Zebert for providing published OSL data to check and test routines for statistical age model optimization.
The authors appreciate Dr Lei Gao for prompting the package maintainer to write function "viewer()" and providing measured data sets to test the function.
