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Use of web and mobile device technologies in the management of childhood asthma: a systematic review and meta-analysis Maria Gabriella Adeodato Prado; Francisco Placido Nogueira Arcanjo; Luiz Odorico Monteiro de Andrade; Ivana Cristina de Holanda Cunha Barreto; Lizandro de Andrade Teles; Jeferson de Sousa Justino; Edcley de Souza Teixeira; Marya Clara Barros Mororó;