function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Azari-Hamidian, Shahyad & Harbach, Ralf E.', 2],
    ['Coetzee, Maureen', 11],
    ['Coetzee, Maureen & Hunt, Richard H. & Wilkerson, Richard', 2],
    ['Dawah, Hassan A. & Abdullah, Mohammed A. & Ahmad, Syed Kamran', 19],
    ['F. W. Edwards', 8],
    ['Giles, Geo. M.', 2],
    ['Harbach, Ralph E. & Wilkerson, Richard C.', 21],
    ['Harrison, Bruce A. & Ruiz-Lopez, Freddy', 2],
    ['Khalin, A. V. & Aibulatov, S. V.', 5],
    ['Kirik, Heli & Tummeleht, Lea & Kurina, Olavi', 5],
    ['Rozo-Lopez, Paula & Mengual, Ximo', 96],
    ['Rueda, Leopoldo M.', 2],
    ['Rueda, Leopoldo M. & Brown, Tracy L. & Kim, Heung-Chul', 8],
    ['Talaga, Stanislas & Gantier, Jean-Charles & Girod, Romain', 3],
    ['Xian, Chunlan & Leong, Chi Man & Luo, Jiuyang & Jia, Fenglong', 6],
    ['Other (19)', 20]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=212)',
    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);