A Real-world Multinational Observational Study to Determine Prevalence and Testing Patterns of Mutations in Patients with Hormone Receptor-positive Human Epidermal Growth Factor Receptor 2-negative Advanced or Metastatic Breast Cancer from the Gulf Cooper

A Real-world Multinational Observational Study to Determine Prevalence and Testing Patterns of Mutations in Patients with Hormone Receptor-positive Human Epidermal Growth Factor Receptor 2-negative Advanced or Metastatic Breast Cancer from the Gulf Cooperation Council Countries