function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Achatz, Johannes G.', 5],
    ['Achatz, Johannes G. & Hooge, Matthew D.', 5],
    ['Achatz, Johannes G. & Hooge, Matthew D. & Tyler, Seth', 8],
    ['Atherton, Sarah & Jondelius, Ulf', 36],
    ['Faubel, A. & Warwick, R. M.', 16],
    ['Hooge, Matthew D. & Eppinger, Neil', 3],
    ['Hooge, Matthew D. & Rocha, Carlos E. F.', 20],
    ['Hooge, Matthew D. & Smith, Julian P. S. & Iii', 5],
    ['Hooge, Matthew D. & Tyler, Seth', 32],
    ['Kånneby, Tobias & Bernvi, David. C. & Jondelius, Ulf', 4],
    ['Kånneby, Tobias & Jondelius, Ulf', 10],
    ['Love, Milton S. & Bizzarro, Joseph J. & Cornthwaite, Maria', 5],
    ['Meyer-Wachsmuth, Inga & Curini-Galletti, Marco & Jondelius, Ulf', 9],
    ['Nilsson, Karin Sara & Wallberg, Andreas & Jondelius, Ulf', 9],
    ['Rouse, Greg W. & Wilson, Nerida G. & Carvajal, Jose Ignacio', 4],
    ['Other (9)', 11]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=182)',
    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);