function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Barahona-Segovia, Rodrigo M. & Riera, Pamela', 149],
    ['El-Hawagry, Magdi S. & Gilbert, Francis', 72],
    ['Heimburg, Helge & Doczkal, Dieter & Holzinger, Werner E.', 69],
    ['Kočić, Anja & Vujić, Ante & Tot, Tamara', 360],
    ['MAZáNEK, Libor & VONIČKA, Pavel & PREISLER, JiřÍ', 210],
    ['Meigen, Johann Wilhelm', 169],
    ['Mengual, Ximo', 99],
    ['Miranda, Gil Felipe Gonçalves & Marshall, Stephen A.', 69],
    ['Montoya, Augusto L.', 351],
    ['Mutin, V. A. & Barkalov, A. V.', 71],
    ['Reemer, Menno & Stahls, Gunilla', 76],
    ['Ricarte, Antonio & Nedeljković, Zorica & Rotheray, Graham E.', 62],
    ['Ricarte, Antonio & Rotheray, Graham E. & Lyszkowski, Richard M.', 93],
    ['Sforzi, Alessandra & Sommaggio, Daniele', 151],
    ['Steenis, Jeroen Van & Hippa, Heikki & Mutin, Valeri A.', 95],
    ['Other (209)', 1789]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=3885)',
    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);