function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Binoy, C. & van Achterberg, Cornelis & Polaszek, Andrew', 7],
    ['Broad, Gavin R.', 6],
    ['Femi, Ezhuthupallickal Benny & Ranjith, Avunjikkattu Parambil', 3],
    ['Kumar, P. Girish & Hegde, V. D.', 3],
    ['Samin, N. & Bagriacik, N. & Shojai, M.', 2],
    ['Santos, Bernardo F. & Aguiar, Alexandre P.', 3],
    ['Smith, David R. & Janzen, Daniel H. & Hallwachs, Winnie', 6],
    ['Smith, David R. & Tripotin, Pierre', 18]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=48)',
    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);