function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Broad, Gavin R. & Shaw, Mark R. & Godfray, H. Charles J.', 4],
    ['Förster, Arnold Prof. Dr.', 1],
    ['Kang, Ilgoo & Chapman, Eric G. & Janzen, Daniel H.', 34],
    ['Sharkey, Michael & Yu, Dicky & van Noort, Simon', 1],
    ['Sharkey, Michael J. & Baker, Austin & McCluskey, Kathryn', 2],
    ['Sharkey, Michael J. & Clutts, Stephanie & Tucker, Erika M.', 11],
    ['Sharkey, Michael J. & Clutts, Stephanie A.', 2],
    ['Stevens, Nicholas B. & Austin, Andrew D. & Jennings, John T.', 4],
    ['van Achterberg, Cornelis & Long, Khuat Dang', 2]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=61)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 9, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);