title: Response to the letter "Sleep characteristics of children with Williams syndrome in relation to saliva melatonin and cortisol".
authors.affiliation: School of Science and Technology, Middlesex University, London, UK. Electronic address: a.sniecinska@gmail.com.
authors.forename: Anna Maria
authors.initials: AM
authors.lastname: Sniecinska-Cooper
authors.affiliation: MAP Diagnostics Ltd., The BioPark, Broadwater Road, Welwyn Garden City, Hertfordshire AL73AX, UK.
authors.forename: Ray Kruse
authors.initials: RK
authors.lastname: Iles
authors.affiliation: MAP Diagnostics Ltd., The BioPark, Broadwater Road, Welwyn Garden City, Hertfordshire AL73AX, UK.
authors.forename: Stephen Andrew
authors.initials: SA
authors.lastname: Butler
authors.affiliation: School of Science and Technology, Middlesex University, London, UK.
authors.forename: Huw
authors.initials: H
authors.lastname: Jones
authors.affiliation: School of Science and Technology, Middlesex University, London, UK.
authors.forename: Richard
authors.initials: R
authors.lastname: Bayford
authors.affiliation: Department of Psychology and Human Development, Institute of Education, University of London, London, UK.
authors.forename: Dagmara
authors.initials: D
authors.lastname: Dimitriou
mesh_terms: D005260:Female; D006801:Humans; D006854:Hydrocortisone / Q000378:metabolism*; D008297:Male; D008550:Melatonin / Q000378:metabolism*; D012893:Sleep Wake Disorders / Q000378:metabolism*; D018980:Williams Syndrome / Q000150:complications* / Q000378:metabolism*
chemical_list: D008550:Melatonin; D006854:Hydrocortisone