title: Letter to the Editor: A critical analysis: Why "firm conclusions are not possible"☆, ☆☆.
authors.affiliation: Public Health Epidemiologist and Informatician, 8153 RR3, Side Road 15,, Fergus, Ontario, Canada N1M 2W4. Electronic address: Jeff.Aramini@gmail.com.
authors.forename: Jeffery J
authors.initials: JJ
authors.lastname: Aramini
authors.affiliation: Independent health researcher, 1183 Cormac Road, RR4, Killaloe, Ontario, Canada K0J 2A0. Electronic address: carmen.krogh@gmail.com.
authors.forename: Carmen M
authors.initials: CM
authors.lastname: Krogh
authors.affiliation: Consultant and Acoustic Investigator, 1085 Tantra Park Circle, Boulder, CO 80305, USA. Electronic address: robertwrand@gmail.com.
authors.forename: Robert W
authors.initials: RW
authors.lastname: Rand