function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Aballay, Fernando H. & Chani-Posse, Mariana R.', 1],
    ['Anlaş, S.', 3],
    ['Anlaş, S. & A. F', 2],
    ['Asenjo, Angélico & e, Sistemática & de, Bioecologia & Coleoptera', 16],
    ['Assing, Volker & Schülke, Michael', 1],
    ['Assing, Volker & Schülke, Michael & Brachat, Volker', 2],
    ['Della Rocca, Francesca & Stefanelli, Silvia & Cardarelli, Elisa', 1],
    ['Feldmann, Enedikt & Buchholz, Sascha & Gilgado, José D.', 1],
    ['Majka, Christopher & Klimaszewski, Jan', 2],
    ['Makranczy, György', 21],
    ['Schülke, M.', 14],
    ['Schülke, Michael', 3],
    ['Wang, Lin-Fei & Zhou, Hong-Zhang', 8],
    ['Wang, Lin-Fei & Zhou, Hong-Zhang & Lü, Liang', 21],
    ['Webster, Reginald P. & Sweeney, Jon D. & DeMerchant, Ian', 2],
    ['Other (6)', 6]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=104)',
    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);