function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Aballay, Fernando H. & Chani-Posse, Mariana R.', 2],
    ['Asenjo, Angélico & e, Sistemática & de, Bioecologia & Coleoptera', 27],
    ['Assing, V.', 1],
    ['Bedard, Nicolas & Brunke, Adam & Bloin, Pierrick', 1],
    ['Brunke, Adam & Newton, Alfred Francis & Klimaszewski, Jan', 1],
    ['Hu, Fang-Shuo', 2],
    ['Japoshvili, George & Khachikov, Eduard', 1],
    ['Khilkovich, A. K. & Shabalin, S. A.', 8],
    ['Navarrete-Heredia, José Luis & Gómez-Rodríguez, Cecilia', 3],
    ['Pablo-Cea, José D. & Asenjo, Angélico', 1],
    ['Pietrykowska-Tudruj, Ewa & Staniec, Bernard', 1],
    ['SMETANA, ALEŠ & DAVIES, ANTHONY', 3],
    ['Smetana, A.', 1],
    ['Smetana, Aleš', 1],
    ['Zhou, Cheng-Lin & Zhao, Qing-Hao & Tang, Liang', 8],
    ['Other (2)', 2]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=63)',
    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);