function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Andréfouët, Serge & Chen, Wei-Jen & Kinch, Jeff & Mana, Ralph', 1],
    ['Ayres, W. O.', 1],
    ['Bariche, Michel & Fricke, Ronald', 3],
    ['Biscoito, Manuel & Ribeiro, Cláudia & Freitas, Mafalda', 1],
    ['Bleeker, Pieter', 1],
    ['Bonaparte, Charles Lucien', 1],
    ['Carneiro, Miguel & Martins, Rogélia & Landi, Monica', 3],
    ['Diane L. Haas & David A. Ebert', 4],
    ['Ebert, David A. & White, William T. & Ho, Hsuan-Ching', 2],
    ['Ebert, David A. & Wintner, Sabine P. & Kyne, Peter M.', 5],
    ['Edwards, A. J. & Gill, A. C. & Abohweyere, P. O.', 2],
    ['Golani, Daniel', 2],
    ['Peter Wirtz & Carlos Eduardo L. Ferreira & Sergio R. Floeter', 2],
    ['White, William T. & Ko’Ou, Alfred', 3],
    ['Whitley, Gilbert P.', 2],
    ['Other (18)', 18]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=51)',
    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);