function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Anlaş, S.', 4],
    ['Anlaş, S. & A. F', 2],
    ['Anlaş, Sinan', 20],
    ['Asenjo, Angélico & e, Sistemática & de, Bioecologia & Coleoptera', 9],
    ['Assing, V.', 21],
    ['Assing, V. & Schülke, M. & M. R & A. S', 2],
    ['Assing, Volker', 3],
    ['Assing, Volker & Schülke, Michael', 1],
    ['Assing, Volker & Schülke, Michael & Brachat, Volker', 5],
    ['Cameron, Malcolm', 1],
    ['Dejean, Pierre François Marie Auguste', 1],
    ['Janák, Jiří & Cz-, Petr Baňař', 13],
    ['Webster, Reginald P. & Davies, Anthony E. & Klimaszewski, Jan', 3],
    ['Zhao, Mei-Jun & Sakai, Masahiro', 2],
    ['de Rougemont, Guillaume M.', 2],
    ['Other (6)', 6]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=95)',
    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);