function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Asenjo, Angélico & e, Sistemática & de, Bioecologia & Coleoptera', 1],
    ['Caron, Edilson & Navarro, Bruna V. & Cajaiba, Reinaldo L.', 2],
    ['Chatzimanolis, Stylianos & Engel, Michael S.', 1],
    ['Erichson, Wilhelm Ferdinand', 1],
    ['Frank, J. H. & Kelly, S. L. & Almquist, D. T.', 1],
    ['Irmler, Ulrich', 52],
    ['Navarrete-Heredia, José Luis & Gómez-Rodríguez, Cecilia', 3],
    ['Shuai, Qi & Nozaki, Tsubasa & Tang, Liang', 3],
    ['Webster, Reginald P. & Smetana, Ales & Sweeney, Jon D.', 1],
    ['Zhou, Yu-Lingzi & Zhou, Hong-Zhang', 10]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=75)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 10, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);