function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Aung, Ye Lwin & Jin, Xiaohua & Schuiteman, Andre', 1],
    ['Averyanov, Leonid V. & Nguyen, Van Canh & Truong, Ba Vuong', 1],
    ['Chase, Mark W. & Gravendeel, Barbara & Sulistyo, Bobby P.', 343],
    ['Li, Rong & Dao, Zhi-Ling', 1],
    ['Ormerod, Paul & Kurzweil, Hubert & Watthana, Santi', 23],
    ['Vo, Doan Trung & Averyanov, Leonid V. & Maisak, Tatiana V.', 3],
    ['Yang, Bin & Zhou, Shi-Shun & Liu, Qiang & Maung, Kyaw Win', 1],
    ['Zhou, Shi-Shun & Tan, Yun-Hong & Jin, Xiao-Hua & Maung, Kyaw Win', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=374)',
    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);