function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Dang, Li-Hong & Mound, Laurence A. & Qiao, Ge-Xia', 1],
    ['Dang, Li-Hong & Qiao, Ge-Xia', 9],
    ['Mound, Laurence A. & Dang, Li-Hong & Tree, Desley J.', 1],
    ['Mound, Laurence Alfred & Walker, Annette K.', 3],
    ['Wang, Jun & Mound, Laurence A. & Tree, Desley J.', 18],
    ['Wang, Jun & Tong, Xiao-Li & Zhang, Wei-Qiu', 10],
    ['Zhao, Chao & Zhang, Hongrui & Tong, Xiaoli', 30]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=72)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 7, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);