function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Asenjo, Angélico & e, Sistemática & de, Bioecologia & Coleoptera', 7],
    ['Ferro, Michael L. & Gimmel, Matthew L. & Harms, Kyle E.', 1],
    ['Franz, Herbert', 4],
    ['Jałoszyński, Paweł', 65],
    ['Jałoszyński, Paweł & Newton, Alfred F.', 1],
    ['Motschulsky, Victor de', 5],
    ['Müller, P. W. J. & Kunze, Gustav', 1],
    ['Pentinsaari, Mikko & Anderson, Robert & Borowiec, Lech', 1],
    ['V, Alexey & V, Alexander & Barševskis, Arvids', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=86)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 9, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);