function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Dawah, Hassan A. & Abdullah, Mohammed A. & Ahmad, Syed Kamran', 54],
    ['F. W. Edwards', 25],
    ['Harbach, Ralph E. & Howard, Theresa M.', 18],
    ['Harbach, Ralph E. & Wilkerson, Richard C.', 99],
    ['Khalin, A. V. & Aibulatov, S. V.', 47],
    ['Kirik, Heli & Tummeleht, Lea & Kurina, Olavi', 40],
    ['Merabti, B. & Boumaza, M. & Ouakid, M. L.', 17],
    ['Naranjo-Diaz, Nelson & Suaza-Vasco, Juan & Pineda-Angel, Jacobo', 68],
    ['Neves, Maycon Sebastião Alberto Santos', 36],
    ['Reinert, John F. & Harbach, Ralph E. & Kitching, Ian J.', 39],
    ['Rozo-Lopez, Paula & Mengual, Ximo', 646],
    ['Talaga, Stanislas & Gantier, Jean-Charles & Girod, Romain', 53],
    ['Torres-Gutierrez, Carolina & Sallum, Maria Anice Mureb', 140],
    ['Xian, Chunlan & Leong, Chi Man & Luo, Jiuyang & Jia, Fenglong', 25],
    ['Yiau-Min Huang', 31],
    ['Other (113)', 309]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=1647)',
    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);