function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Birindelli, José L. O. & Fayal, Danielle F.', 5],
    ['Boulenger, George Albert', 5],
    ['Carrillo-Briceño, Jorge D. & Mora-Rojas, Laura', 2],
    ['Collins, Rupert A. & Duarte Ribeiro, Emanuell', 8],
    ['Cope, Edward Drinker', 2],
    ['Eigenmann, C. H.', 7],
    ['Fernández-Yépez, A.', 13],
    ['Fowler, Henry Weed', 4],
    ['Higuchi, Horácio & Birindelli, José L. O. & Sousa, Leandro M.', 3],
    ['Horácio Higuchi & José L. O. Birindelli & Leandro M. Sousa', 13],
    ['Ota, Renata Rúbia & Deprá, Gabriel de Carvalho', 5],
    ['Sabaj, Mark Henry', 10],
    ['Sousa, Leandro M. & Rapp Py-Daniel, Lúcia H.', 4],
    ['Steindachner, F.', 4],
    ['W. Peters', 3],
    ['Other (18)', 21]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=109)',
    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);