Olga Batyukhnova, State Unitary Enterprise Moscow SIA RADON (Russia)
; Sergey Dmitriev, State Unitary Enterprise Moscow SIA RADON (Russia)
; Yury Puzanov, State Unitary Enterprise Moscow SIA RADON (Russia)
; Irina Semenova, State Unitary Enterprise Moscow SIA RADON (Russia)
; Michael Ojovan, University of Sheffield (UK)
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