function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Bresseel, Joachim & Constant, Jérôme', 26],
    ['Brock, Paul D.', 43],
    ['Brock, Paul D. & Hasenpusch, Jack', 30],
    ['Brock, Paul D. & Marshall, Judith A. & Beccaloni, George W.', 323],
    ['Conle, Oskar V. & Hennemann, Frank H. & Bellanger, Yannick', 55],
    ['Cumming, Royce T. & Bank, Sarah & Bresseel, Joachim', 25],
    ['Delfosse, Emmanuel & Cliquennois, Nicolas & Depraetere, Marion', 310],
    ['Frank H. Hennemann & Oskar V. Conle & Daniel E. Perez-Gelabert', 37],
    ['Heleodoro, Raphael Aquino & Rafael, Jose Albertino', 30],
    ['Hennemann, Frank H.', 71],
    ['Hennemann, Frank H. & Conle, Oskar V.', 382],
    ['Hennemann, Frank H. & Conle, Oskar V. & Brock, Paul D.', 45],
    ['Hennemann, Frank H. & Conle, Oskar V. & Zhang, Weiwei', 49],
    ['Ho, George Wai-Chun', 144],
    ['Ho, Wai-Chun George', 51],
    ['Other (81)', 376]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=1997)',
    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);