Frequency and intensity of persistent symptomatology.
Chronicity
(DOCX)Click here for additional data file.The authors would like to thank the Network for Research on Chronicity, Primary Care, and Health Promotion (RICAPPS, code RD21/0016/0001-Health Institute Carlos III, Spain), the Primary Health Care Research Group of Aragon (GAIAP-B21-20R) of the Department of Science, the University and Knowledge Society of the Aragon (Spain) government, and FEDER Funds ‘Another way to make Europe’.