Author contributions:
Elham Askari: designed the study, performed the literature search,
critically revised the manuscript, and supervised the study.
Mihan Pourabdollah Toutkaboni: designed the study, critically revised
the manuscript, provided the images and data, and supervised the study.
Sara Haseli: designed the study, critically revised the manuscript, and
provided the images and data.
Mitrasadat Rezaei: critically revised the manuscript, and provided the
images and data.
Payam Tabarsi: critically revised the manuscript, and provided the
images and data.
Majid Marjani: critically revised the manuscript, and provided the
images and data.
Afshin Moniri: critically revised the manuscript, and provided the
images and data.
Neda Khalili: designed the study, performed the literature search, and
drafted the manuscript.
All authors approved the final manuscript.
Acknowledgements: None