function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Choi, Jinyeong & Soysouvanh, Pheophanh & Lee, Seunghwan', 3],
    ['Chris J. Hodgson & Douglas J. Williams', 35],
    ['Joshi, Sunil & Gupta, Ankita & Shashank, P. R. & Pai, Sachin G.', 1],
    ['Suh, Soo-Jung & Bombay, Khanxay', 1],
    ['Tan, Zhixiang & Meng, Shitao & Xing, Jichun', 3],
    ['Williams, D. J.', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=44)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 6, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);