function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Assing, V.', 1],
    ['Brunke, Adam J. & Marshall, Stephen A.', 2],
    ['Chani-Posse, Mariana & Newton, Alfred F. & Hansen, Aslak Kappel', 1],
    ['Ghahari, H. & Anlaş, S. & Sakenin, H. & Ostovan, H. & Tabari, M.', 1],
    ['Japoshvili, George & Khachikov, Eduard', 1],
    ['Li, Liang & Zhou, Hong-Zhang', 1],
    ['Majka, Christopher & Klimaszewski, Jan', 1],
    ['Pietrykowska-Tudruj, Ewa & Staniec, Bernard', 1],
    ['Stephens, James Francis', 1],
    ['Taphylininae & Iochini & Aorothiini & Thiini & Latyprosopini', 5],
    ['Webster, Reginald P. & Davies, Anthony E. & Klimaszewski, Jan', 2],
    ['Webster, Reginald P. & Smetana, Ales & Sweeney, Jon D.', 4]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=21)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 12, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);