function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Diaz, Maria Cristina & Nuttall, Marissa & Pomponi, Shirley A.', 49],
    ['Göcke, Christian & Janussen, Dorte', 115],
    ['Lehnert, Helmut & Stone, Robert P.', 46],
    ['Manconi, Renata & Cadeddu, Barbara & Ledda, Fabio', 37],
    ['Rützler, Klaus & Piantoni, Carla & Van, Rob W. M.', 113],
    ['Samaai, Toufiek & Gibbons, Mark J. & Kelly, Michelle', 42],
    ['Samaai, Toufiek & Pillay, Ruwen & Janson, Liesl', 60],
    ['Schmidt, Eduard Oscar', 36],
    ['Sim-Smith, Carina & Hickman, Cleveland & Kelly, Michelle', 41],
    ['Topsent, Émile', 56],
    ['Ugalde, Diana & Fernandez, Julio C. C. & Gómez, Patricia', 118],
    ['Van Soest, Rob W. M.', 234],
    ['Van Soest, Rob W. M. & Beglinger, Elly J. & De Voogd, Nicole J.', 48],
    ['Van, Rob W. M.', 132],
    ['Van, Rob W. M. & Aryasari, Ratih & De, Nicole J.', 93],
    ['Other (302)', 1723]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=2943)',
    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);