function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Albano, Paolo G. & Steger, Jan & Bakker, Piet A. J.', 3],
    ['Amano, Kazutaka & Little, Crispin T. S. & Campbell, Kathleen A.', 3],
    ['Conrad, Timothy Abbot', 3],
    ['Cosel, Rudo von', 22],
    ['Garfinkle, Elizabeth A. R.', 4],
    ['Glover, Emily A. & Taylor, John D.', 48],
    ['Hryniewicz, Krzysztof & Little, Crispin T. S.', 2],
    ['Kiel, Steffen & Campbell, Kathleen A. & Gaillard, Christian', 3],
    ['Kiel, Steffen & Sami, Marco & Taviani, Marco', 6],
    ['Oliver, P. Graham & Holmes, Anna & Killeen, Ian & Light, Janice', 5],
    ['Raines, Bret & Huber, Markus', 4],
    ['Smith, Edgar A.', 9],
    ['Sowerby, James DeCarle', 4],
    ['Taylor, John D. & Glover, Emily A.', 38],
    ['Taylor, John D. & Glover, Emily A. & Smith, Lisa', 5],
    ['Other (12)', 14]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=173)',
    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);