Acknowledgments
We wish to acknowledge Dr John Jairo Aguilera-Correa for his writing assistance, and Dr Amr A. Abdelkader from the International Centre for Orthopaedics and Neurosciences (Doha, Qatar) for his help in reviewing the manuscripts for language-related aspects, and Mr. José Luis Lara-Cabrero from Clínica CEMTRO (Madrid, Spain) for his help in interpreting the treatment sequence of specialized manual therapy.