docs: def join_path(*path_to_join, **kwargs):
      """Join input path to sample data path (usually in ~/lisa_data)
  
      :param path_to_join: one or more paths
      :param get_root: return dataset root path. If false, the path would be into "medical/orig"
      :return: joined path
      """
      if "get_root" in kwargs:
          get_root = kwargs["get_root"]
      else:
          # default value
          get_root = False
      sdp = dataset_path(get_root=get_root)
      pth = os.path.join(sdp, *path_to_join)
      logger.debug("sample_data_path" + str(sdp))
      logger.debug("path " + str(pth))
      return pth