function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Asenjo, Angélico & e, Sistemática & de, Bioecologia & Coleoptera', 2],
    ['Assing, V.', 5],
    ['Assing, Volker', 129],
    ['Assing, Volker & V, North', 3],
    ['Hlaváč, Peter & Newton, Alfred F. & Maruyama, Munetoshi', 1],
    ['Jiang, Ri-Xin & Li, Bo-Yan & Wang, Shuo', 1],
    ['Motschulsky, Victor de', 1],
    ['Pace, R.', 10],
    ['Pace, Roberto', 21],
    ['Shavrin, Alexey V. & Medina, Milton Norman D.', 2]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=175)',
    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);