function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Araújo, Diogo & Alves, Marccus', 9],
    ['Breteler, F. J.', 2],
    ['Castellanos, Leonardo & Naranjo-Gaybor, Sandra Judith', 2],
    ['Chen, Wei-Chih & Chung, An-Ching & Wang, Chih-Chiang', 2],
    ['DeFilipps, Robert A. & Krupnick, Gary A.', 2],
    ['Fernandes, Juliana Morgado & Couri, Márcia Souto', 2],
    ['Feuillet, Christian', 2],
    ['Gautier, Laurent & Callmander, Martin W.', 4],
    ['Jarvis, Charlie', 34],
    ['Kuethe, J. R. & Justiniano, Hermes', 3],
    ['McQuate, Grant T. & Liquido, Nicanor J. & Nakamichi, Kelly A. A.', 3],
    ['Mezzonato-Pires, Ana Carolina', 7],
    ['Porter-Utley, Kristen', 23],
    ['Rome, Maxime & Coppens D’Eeckenbrugge, Geo', 4],
    ['Zhou, Ya-Dong & Mwachala, Geoffrey & Hu, Guang-Wan', 5],
    ['Other (32)', 42]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=146)',
    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);