function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Awad, Jessica & Vasilita, Cristina & Wenz, Sophie', 2],
    ['Buhl, Peter N. & Broad, Gavin R. & Notton, David G.', 8],
    ['Chen, Hua-yan & Johnson, Norman F. & Masner, Lubomir', 18],
    ['Chen, Hua-yan & Johnson, Norman F. & Masner, Lubomír', 1],
    ['Hong, Chun-Dan & Popovici, Ovidiu Alin & Chen, Hua-Yan', 5],
    ['Madl, Michael', 10],
    ['Notton, David G. & Popovici, Ovidiu A.', 4],
    ['Perrichot, Vincent & Antoine, Pierre-Olivier', 1],
    ['Talamas, Elijah J. & Awad, Jessica & Tortorici, Francesco', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=50)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 9, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);