function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Foldi, Imre & Kozár, Ferenc', 8],
    ['González, Patricia & Claps, Lucía E. & Juárez, Andrea', 14],
    ['Hardy, Nate B. & Beardsley Jr, John W. & Gullan, Penny J.', 11],
    ['Hardy, Nate B. & Gullan, Penny J.', 21],
    ['Henderson, Rosa C.', 12],
    ['Hodgson, Chris', 31],
    ['Hodgson, Chris & Miller, Dug', 37],
    ['Kozár, Ferenc & Williams, Douglas J.', 8],
    ['Maskell, William Miles', 7],
    ['Miller, Douglass R. & Stocks, Ian C.', 57],
    ['Moghaddam, Masumeh', 13],
    ['Moreno, Diego J. & González, Patricia & Claps, Lucía E.', 9],
    ['Pellizzari, Giuseppina & Kozár, Ferenc', 8],
    ['Stalažs, Arturs', 7],
    ['Williams, D. J.', 7],
    ['Other (41)', 94]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=344)',
    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);