function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Butler, Arthur Gardiner', 1],
    ['Doorenweerd, Camiel & Austin, Kyhl A. & Rubinoff, Daniel', 5],
    ['Kawahara, Akito Y. & Rubinoff, Daniel', 6],
    ['Medeiros, Matthew J & Haines, William P. & Carleton, Mia A.', 9],
    ['Meyrick, E.', 2],
    ['Meyrick, Edward', 2],
    ['Schmitz, Patrick & Rubinoff, Daniel', 20]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=45)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 7, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);