function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Akkari, Nesrine & Komericki, Ana & Weigand, Alexander M.', 3],
    ['C. A. W. Jeekel', 8],
    ['E. H. Eason', 5],
    ['Iorio, Étienne & Zapparoli, Marzio & Ponel, Philippe', 2],
    ['M. Zapparoli', 3],
    ['Marzio Zapparoli', 8],
    ['Matic, Z.', 2],
    ['Pavel Stoev', 13],
    ['R. V. Chamberlin', 11],
    ['Simaiakis, Stylianos Michail & Akkari, Nesrine', 3],
    ['Stefan Negrea', 5],
    ['Stoev, Pavel & Akkari, Nesrine & Zapparoli, Marzio', 3],
    ['Stoev, Pavel & Komericki, Ana & Akkari, Nesrine & Liu, Shanlin', 4],
    ['Verhoeff, Karl Wilhelm', 6],
    ['Zapparoli, Marzio', 3],
    ['Other (18)', 21]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=100)',
    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);