function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Bresseel, Joachim & Constant, Jérôme', 7],
    ['Brock, Paul D.', 19],
    ['Brock, Paul D. & Hasenpusch, Jack', 20],
    ['Brock, Paul D. & Marshall, Judith A. & Beccaloni, George W.', 107],
    ['Conle, Oskar V. & Hennemann, Frank H. & Bellanger, Yannick', 7],
    ['Delfosse, Emmanuel & Cliquennois, Nicolas & Depraetere, Marion', 108],
    ['Ghirotto, Victor Morais & Crispino, Edgar Blois', 9],
    ['Ghirotto, Victor Morais & Engelking, Phillip Watzke', 15],
    ['Hennemann, Frank H.', 15],
    ['Hennemann, Frank H. & Conle, Oskar V.', 182],
    ['Hennemann, Frank H. & Conle, Oskar V. & Bellanger, Yannick', 14],
    ['Hennemann, Frank H. & Conle, Oskar V. & Brock, Paul D.', 19],
    ['Hennemann, Frank H. & Conle, Oskar V. & Zhang, Weiwei', 22],
    ['Ho, George Wai-Chun', 111],
    ['Ho, Wai-Chun George', 21],
    ['Other (19)', 44]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=720)',
    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);