function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Borojevic, Radovan & Boury-Esnault, Nicole & Vacelet, Jean', 68],
    ['Diaz, Maria Cristina & Nuttall, Marissa & Pomponi, Shirley A.', 57],
    ['Göcke, Christian & Janussen, Dorte', 125],
    ['Lehnert, Helmut & Stone, Robert P.', 47],
    ['Rützler, Klaus & Piantoni, Carla & Van, Rob W. M.', 123],
    ['Samaai, Toufiek & Gibbons, Mark J. & Kelly, Michelle', 42],
    ['Samaai, Toufiek & Pillay, Ruwen & Janson, Liesl', 62],
    ['Sim-Smith, Carina & Hickman, Cleveland & Kelly, Michelle', 45],
    ['Topsent, Émile', 59],
    ['Ugalde, Diana & Fernandez, Julio C. C. & Gómez, Patricia', 118],
    ['Van Soest, Rob W. M.', 247],
    ['Van Soest, Rob W. M. & Beglinger, Elly J. & De Voogd, Nicole J.', 48],
    ['Van, Rob W. M.', 141],
    ['Van, Rob W. M. & Aryasari, Ratih & De, Nicole J.', 93],
    ['Van, Rob W. M. & De, Nicole J.', 91],
    ['Other (394)', 2479]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=3845)',
    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);