function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Brook, Fred J. & Ablett, Jonathan D.', 4],
    ['Chen, Zhe-Yu', 6],
    ['Foon, Junn Kitt & Clements, Gopalasamy Reuben & Liew, Thor-Seng', 6],
    ['Hwang, Chung-Chi', 3],
    ['Inkhavilay, Khamla & Sutcharit, Chirasak & Bantaowong, Ueangfa', 11],
    ['Jirapatrasilp, Parin & Sutcharit, Chirasak & Panha, Somsak', 61],
    ['Kongim, Bangon & Sutcharit, Chirasak & Naggs, Fred', 9],
    ['Marzuki, Mohammad Effendi bin & Liew, Thor-Seng', 5],
    ['Páll-Gergely, Barna & Fehér, Zoltán & Hunyadi, András', 26],
    ['Páll-Gergely, Barna & Grego, Jozef', 8],
    ['Páll-Gergely, Barna & Hunyadi, András', 3],
    ['Páll-Gergely, Barna & Nguyen, Phi Khanh & Chen, Yansen', 18],
    ['Schmitz, Luís Ricardo & Barcellos, Aline & Eger, Joseph', 4],
    ['Varga, András & Páll-Gergely, Barna', 11],
    ['Wiktor, Andrzej', 4],
    ['Other (12)', 20]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=199)',
    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);