function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Du, Z. H. & Wang, S. X. & Li, H. H.', 11],
    ['Du, Zhaohui & Li, Houhun & Wang, Shuxia', 17],
    ['Du, Zhaohui & Wang, Shuxia', 16],
    ['Hu, Sha & Wang, Shuxia', 18],
    ['Jia, Yanyan & Wang, Shuxia & Bae, Yang-Seop', 10],
    ['Kim, Sora & Bae, Yang-Seop & Lee, Seunghwan', 17],
    ['Kim, Sora & Duwal, Ram Keshari & Heppner, John B. & Lee, Wonhoon', 6],
    ['Kim, Sora & Heppner, John B. & Park, Kyu-Tek', 14],
    ['Kim, Sora & Park, Kyu-Tek & Heppner, John B. & Lee, Seunghwan', 12],
    ['Liu, Chen & Wang, Shuxia', 17],
    ['Wang, Shuxia & Du, Zhaohui & Li, Houhun', 106],
    ['Wang, Shuxia & Hu, Sha & Li, Houhun', 244],
    ['Wang, Shuxia & Jia, Yanyan', 42],
    ['Wang, Shuxia & Kendrick, Roger C. & Sterling, Philip', 10],
    ['Wang, Shuxia & Liu, Chen', 86],
    ['Other (3)', 11]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=637)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 16, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);