function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Abdel-Dayem, Mahmoud S. & Fad, Hassan H. & El-Torkey, Ashraf M.', 1],
    ['Asenjo, Angélico & e, Sistemática & de, Bioecologia & Coleoptera', 14],
    ['Assing, V.', 1],
    ['Assing, Volker & Brachat, Volker & Meybohm, Heinrich', 1],
    ['Bedard, Nicolas & Brunke, Adam & Bloin, Pierrick', 1],
    ['Brunke, Adam J. & Marshall, Stephen A.', 5],
    ['Ferro, Michael L. & Gimmel, Matthew L. & Harms, Kyle E.', 2],
    ['Gistel, Johannes von Nepomuk Franz Xaver', 1],
    ['Glotov, Sergii V. & Drogvalenko, Oleksandr M.', 5],
    ['Samin, N. & Zhou, H. & Sakenin, H. & Imani, S. & Rastegar, J.', 2],
    ['Schülke, M.', 3],
    ['Schülke, Michael', 9],
    ['Telfer, Angela C & Young, Monica R & Quinn, Jenna & Perez, Kate', 2],
    ['V, Alexey & V, Alexander & Barševskis, Arvids', 2],
    ['Webster, Reginald P. & Sweeney, Jon D. & DeMerchant, Ian', 4],
    ['Other (3)', 3]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=56)',
    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);