The impact of the pandemic on mothers and children, with a focus on syndemic effects on black families: the “Prenatal to Preschool” study protocol oleh Wanjikũ F. M. Njoroge, Wanjikũ F. M. Njoroge, Wanjikũ F. M. Njoroge, Wanjikũ F. M. Njoroge, Tiffany Tieu, Tiffany Tieu, Devlin Eckardt, Megan Himes, Megan Himes, Christina Alexandre, Christina Alexandre, Waynitra Hall, Waynitra Hall, Kate Wisniewski, Kate Wisniewski, Ayomide Popoola, Ayomide Popoola, Kayla Holloway, Kayla Holloway, Kayla Holloway, Yuheiry Rodriguez, Sara Kornfield, Sara Kornfield, Florence Momplaisir, Xi Wang, Raquel Gur, Raquel Gur, Raquel Gur, Rebecca Waller, Rebecca Waller