text: function extract(content) {
  
      const text = document.getElementById(content).textContent;
  
      const regex = /\((.+?)\)/gm;
      let match = regex.exec(text);
      let result = [];
  
      while (match != null) {
          result.push(match[1]);
          match = regex.exec(text);
      }
  
      return result.join('; ')
  }