function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Anlaş, S.', 1],
    ['Anlaş, Sinan', 22],
    ['Asenjo, Angélico & e, Sistemática & de, Bioecologia & Coleoptera', 1],
    ['Assing, V.', 51],
    ['Assing, Volker', 69],
    ['Bedard, Nicolas & Brunke, Adam & Bloin, Pierrick', 1],
    ['Brunke, Adam J. & Marshall, Stephen A.', 1],
    ['Ferro, Michael L. & Gimmel, Matthew L. & Harms, Kyle E.', 1],
    ['Ghahari, H. & Havaskary, M. & Tabari, M. & Ostovan, H.', 1],
    ['Hernando, Carles', 2],
    ['Navarrete-Heredia, José Luis & Gómez-Rodríguez, Cecilia', 7],
    ['Samin, N. & Imani, S.', 1],
    ['Sinan Anlaş', 5],
    ['Stephens, James Francis', 1],
    ['V, Alexey & V, Alexander & Barševskis, Arvids', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=165)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 15, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);