function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Bächli, Gerhard & Merz, Bernhard & Haenni, Jean-Paul', 10],
    ['Ebejer, M. J.', 6],
    ['Grichanov, Igor Ya.', 4],
    ['Kahanpaeae, Jere', 10],
    ['Kechev, Mihail & Naglis, Stefan & Tonguç, Alper & Pollet, Marc', 22],
    ['Kejval, Zbyněk & Pollet, Marc', 45],
    ['Meigen, Johann Wilhelm', 11],
    ['Naglis, Stefan', 3],
    ['Naglis, Stefan & Bickel, Daniel J.', 6],
    ['Pollet, Marc & Andrade, Rui & Gonçalves, Ana & Andrade, Pedro', 17],
    ['Pollet, Marc & Ivković, Marija', 10],
    ['Runyon, Justin B.', 5],
    ['Tang, Chufei & Wang, Baohai & Yang, Ding', 4],
    ['Tang, Chufei & Wang, Ning & Yang, Ding', 10],
    ['Ya, Igor & Vikhrev, Nikita E.', 4],
    ['Other (16)', 23]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=190)',
    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);