function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Cooper, David & Yamaguchi, Nobuyuki & Macdonald, David', 5],
    ['Cornel, Anthony John & Mayi, Marie Paul Audrey & Kowo, Cyril', 13],
    ['Dawah, Hassan A. & Abdullah, Mohammed A. & Ahmad, Syed Kamran', 20],
    ['F. W. Edwards', 9],
    ['Harbach, Ralph E. & Wilkerson, Richard C.', 26],
    ['Keith Snow', 6],
    ['Khalin, A. V. & Aibulatov, S. V.', 4],
    ['Laurito, Magdalena & Almirón, Walter Ricardo', 4],
    ['Linnaeus, Carolus', 7],
    ['Rogers, D. Christopher & Cruz-Rivera, Edwin', 4],
    ['Rozo-Lopez, Paula & Mengual, Ximo', 210],
    ['Sforzi, Alessandra & Sommaggio, Daniele', 8],
    ['Talaga, Stanislas & Gantier, Jean-Charles & Girod, Romain', 31],
    ['Torres-Gutierrez, Carolina & Sallum, Maria Anice Mureb', 138],
    ['Xian, Chunlan & Leong, Chi Man & Luo, Jiuyang & Jia, Fenglong', 16],
    ['Other (37)', 56]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=557)',
    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);