Long-term homoeoprophylaxis study in children in North America. Part One: Factors contributing to the successful completion of sequential dosing of disease nosodes. Free and Healthy Children International (FHCi) HP Research Study, 2009-2018. As presented for the first time by Kate Birch, RSHom(NA), CCH, at the HPWWC Conference: Homeoprophylaxis: A Worldwide Choice for Disease Prevention ~ Evidence and Education – the Keys to Change.