function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Chandore, Arun Nivrutti & Tamboli, Asif Shabodin', 1],
    ['DeFilipps, Robert A. & Krupnick, Gary A.', 1],
    ['Hu, Guo-Xiong & Su, Ting & An, Ming-Tai & Wang, Xiao-Yu', 1],
    ['Jarvis, Charlie', 1],
    ['Liu, Shih-Hui & Hsu, Tian-Chuan & Huang, Wei-Jie', 2],
    ['Lorence, David H. & Wagner, Warren L. & Wood, Kenneth R.', 1],
    ['Yao, Gang & Deng, Yunfei & Ge, Xuejun', 1],
    ['Yuan, Langxing & Tan, Gan & Zhang, Wenhua & Xue, Bine', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=9)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 8, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);