function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Breure, Abraham S. H. & Tardy, Emmanuel', 3],
    ['Burman, Nicolaas Laurens', 1],
    ['CHATTERJEE, TAPAS & KOTOV, ALEXEY A. & DAMME, KAY VAN', 1],
    ['Dadykin, Ivan A. & Sinev, Artem Y. & Gu, Yangliang', 1],
    ['DeFilipps, Robert A. & Krupnick, Gary A.', 1],
    ['Grings, Martin & Boldrini, Ilsi Iob', 25],
    ['Jarvis, Charlie', 12],
    ['Kotov, Alexey A. & Jeong, Hyun Gi & Lee, Wonchoel', 1],
    ['Kumar, Ettickal Sukumaran Santhosh & Shailajakumari, Sreedharan', 2],
    ['Masharabu, Tatien & Bigendako, Marie Josée & Nzigidahera, Benoît', 1],
    ['Monteiro, Francisca & Costa, Esperança Da & Kissanga, Raquel', 3],
    ['Nacoulma, Blandine M. I. & Schmidt, Marco & Hahn, Karen', 5],
    ['Wijnands, Dirk Onno & Heniger, Johannes & Veldkamp, Jan Frederik', 1],
    ['Zhou, Ya-Dong & Mwachala, Geoffrey & Hu, Guang-Wan', 5]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=62)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 14, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);