function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Borges, Paulo A. V. & Gaspar, Clara', 18],
    ['Chen, Xiang-Sheng & Zhi, Yan', 36],
    ['Giffard, Walter M.', 11],
    ['Guo, Hong-Wei & Wang, Ying-Lun & Feng, Ji-Nian', 14],
    ['Hoch, Hannelore', 15],
    ['Huang, Min & Holzinger, Werner E.', 25],
    ['Luo, Yang & Bourgoin, Thierry & Zhang, Jia-Lin & Feng, Ji-Nian', 249],
    ['Löcker, Birgit', 35],
    ['Löcker, Birgit & Fletcher, Murray J. & Gurr, Geoff M.', 20],
    ['Löcker, Birgit & Fletcher, Murray J. & Larivière, Marie-Claude', 75],
    ['Löcker, Birgit & Holzinger, Werner E.', 18],
    ['Viegas, Eduarda Fernanda Gomes & Ale-Rocha, Rosaly', 17],
    ['Walker, Francis', 23],
    ['Zhi, Yan & Yang, Lin & Chen, Xiang-Sheng', 22],
    ['Zhi, Yan & Yang, Lin & Zhang, Pei & Chen, Xiang-Sheng', 19],
    ['Other (56)', 208]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=805)',
    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);