title: Letter to the Editor Re: Merger of models on clinical instability - Misleading for patients and clinicians.
authors.affiliation: 55 Rashi Street, Tel Aviv, Israel. Electronic address: jonhofpt@yahoo.com.
authors.forename: Jonathan
authors.initials: J
authors.lastname: Hoffman
authors.affiliation: Coolum Physiotherapy, 1790 David Low Way, Coolum Beach, Queensland, Australia. Electronic address: cp.gabel@bigpond.com.
authors.forename: Charles Philip
authors.initials: CP
authors.lastname: Gabel