function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Brook, Fred J. & Ablett, Jonathan D.', 4],
    ['Foon, Junn Kitt & Clements, Gopalasamy Reuben & Liew, Thor-Seng', 16],
    ['Hyman, Isabel T. & Ponder, Winston F.', 9],
    ['Inkhavilay, Khamla & Sutcharit, Chirasak & Bantaowong, Ueangfa', 29],
    ['Lee, Jie Ying & Nasir, Nurul Syafiqah', 3],
    ['Marzuki, Mohammad Effendi bin & Liew, Thor-Seng', 14],
    ['Pholyotha, Arthit & Sutcharit, Chirasak & Lin, Aung', 4],
    ['Pholyotha, Arthit & Sutcharit, Chirasak & Panha, Somsak', 12],
    ['Pholyotha, Arthit & Sutcharit, Chirasak & Thach, Phanara', 7],
    ['Pholyotha, Arthit & Sutcharit, Chirasak & Tongkerd, Piyoros', 36],
    ['Phung, Chee-Chean & Yu, Fred Tuh Yit & Liew, Thor-Seng', 11],
    ['Páll-Gergely, Barna & Hunyadi, András & Chen, Zhe-Yu', 3],
    ['Sutcharit, Chirasak & Panha, Somsak', 9],
    ['Sutcharit, Chirasak & Thach, Phanara & Chhuoy, Samol', 8],
    ['Vermeulen, Jaap J. & Liew, Thor-Seng & Schilthuizen, Menno', 14],
    ['Other (7)', 10]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=189)',
    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);