function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Animalesto, Gloria & Dewi, Kartika & Apriyanti, Yuni', 4],
    ['Beveridge, Ian & Justine, Jean-Lou', 2],
    ['Beveridge, Ian & Schaeffner, Bjoern C.', 2],
    ['Campbell, Ronald A. & Beveridge, Ian', 1],
    ['Haseli, Mohammad & Malek, Masoumeh & Palm, Harry Wilhelm', 2],
    ['Jr, Joaber Pereira & Boeger, Walter A.', 1],
    ['Lopes, Daniela A. & Mainenti, Adriana & Knoff, Marcelo', 1],
    ['Menoret, Adriana & Ivanov, Verónica A.', 2],
    ['Muniz-Pereira, Luís C. & Vieira, Fabiano M. & Luque, José L.', 1],
    ['Schaeffner, Bjoern C. & Beveridge, Ian', 6]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=22)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 10, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);