function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Akkari, Nesrine & Enghoff, Henrik', 22],
    ['Antić, Dragan Ž. & Reip, Hans S.', 27],
    ['Borges, Paulo A. V. & Gaspar, Clara', 16],
    ['Decker, Peter & Reip, Hans Simon & Voigtlaender, Karin', 34],
    ['Enghoff, Henrik', 28],
    ['Haľkova, Beata & Drabova, Martina & Mock, Andrej', 44],
    ['Kime, Richard Desmond & Enghoff, Henrik', 563],
    ['Lazányi, Eszter & Vagalinski, Boyan', 29],
    ['Lazányi, Eszter & Vagalinski, Boyan & Korsós, Zoltán', 44],
    ['Mikhaljova, Elena V.', 46],
    ['Nesrine Akkari & Henrik Enghoff', 18],
    ['Shelley, Rowland M.', 40],
    ['Vagalinski, Boyan', 21],
    ['Vagalinski, Boyan & Golovatch, Sergei I.', 45],
    ['Vagalinski, Boyan & Stoev, Pavel & Enghoff, Henrik', 49],
    ['Other (65)', 342]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=1368)',
    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);