Faculty of Physical Therapy and Nursing (Mr Merino-Andrés and Dr Pérez-Nombela), University of Castilla-La Mancha, Toledo Physical Therapy Research Group, Toledo, Spain; Toledo Physical Therapy Research Group (GIFTO) (Messrs Merino-Andrés and Dr Pérez-Nombela), University of Castilla-La Mancha, Toledo, Spain; Centro Crecer (Mr Merino-Andrés), Toledo, Spain; Faculty of Education (Mr Hidalgo-Robles), Universidad Internacional de La Rioja, La Rioja, Spain; Curtin School of Allied Health (Dr Williams), Curtin University, Perth, Western Australia; Liggins Institute (Dr Williams), The University of Auckland, Auckland, New Zealand; Montgomery County Infants and Toddlers Program (Dr Paleg), Rockville, Maryland; Department of Physical Therapy (Dr Fernández-Rego) and Early Intervention Research Group (GIAT) (Dr Fernández-Rego), University of Murcia, Murcia, Spain.

Álvaro Hidalgo-Robles, PT, MSc, Faculty of Education, Universidad Internacional de La Rioja, Avenida de la Paz, 137, 26006, Logroño, La Rioja, Spain ([email protected]).

The authors declare no conflicts of interest.

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