function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Appadoo, Chandani & Myers, Alan A.', 2],
    ['Appadoo, Chandani & Myers, Alan A. & Fagoonee, Indur', 5],
    ['Bopiah, Arundathi & Hughes, Lauren E.', 3],
    ['HUGHES, L. E.', 15],
    ['Hughes, Lauren E.', 1],
    ['Kilgallen, Niamh M. & Ahyong, Shane T.', 2],
    ['Lowry, J. K. & Hughes, L. E.', 6],
    ['Thacker, Dimple & Patel, Krupal & Myers, Alan', 5]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=39)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 8, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);