Photobiomodulation therapy combined with static magnetic field is better than placebo in patients with fibromyalgia: a randomized placebo-controlled trial.

" Conflicts of interest :Ernesto Cesar Pinto Leal-Junior received research support from Multi-Radiance Medical (Solon, OH, USA), a laser device manufacturer. He also received a grant (grant number: 310281/2017–2) from the Brazilian Council of Science and Technology Development (the Brazilian Council of Science and Technology Development had no role in the planning, conducting, and analysis of the data of this randomized controlled trial). Douglas Scott Johnson is an employee and shareholder of Multi-Radiance Medical (Solon, OH, USA). Shaiane Silva Tomazoni has a personal relationship with Ernesto Cesar Pinto Leal-Junior."

" Conflicts of interest :Ernesto Cesar Pinto Leal-Junior received research support from Multi-Radiance Medical (Solon, OH, USA), a laser device manufacturer. He also received a grant (grant number: 310281/2017–2) from the Brazilian Council of Science and Technology Development (the Brazilian Council of Science and Technology Development had no role in the planning, conducting, and analysis of the data of this randomized controlled trial). Douglas Scott Johnson is an employee and shareholder of Multi-Radiance Medical (Solon, OH, USA). Shaiane Silva Tomazoni has a personal relationship with Ernesto Cesar Pinto Leal-Junior."

"This was a monocentric, superiority, parallel randomized, placebo-controlled, triple-blinded (patients, therapists, and assessors) trial. This trial was prospectively registered with ClinicalTrials.gov (registration number: NCT04322812) and approved by the Research Ethics Committee of Nove de Julho University (approval number: 2.732.062). This trial was conducted in accordance with the principles set forth in the Declaration of Helsinki and written informed consent was obtained from all participants (Supplementary Digital Material 1: Supplementary Table I). No changes were made to the original protocol during the trial."