function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Amado G., E. & Morales A., L. Del. R.', 1],
    ['Bilimek, Dominik', 1],
    ['Butler, Arthur Gardiner', 5],
    ['Chirivi-Joya, Daniel & Moreno-González, Jairo A.', 7],
    ['Franganillo Balboa, P.', 3],
    ['Gervais, F. L. Paul', 3],
    ['Giupponi, Alessandro P. L. & Kury, Adriano B.', 4],
    ['Guzmán, Ali Abadallan & Joya, Daniel Chirivi & Francke, Oscar F.', 3],
    ['Joya, Daniel Chirivi', 9],
    ['Mullinex, C. L.', 8],
    ['Pocock, Reginald Innes', 5],
    ['Quintero, Diomedes', 5],
    ['Simon, Eugène Ernest', 2],
    ['Wood, Horatio C.', 3],
    ['de Mello-Leitão, Cândido Firmino', 3],
    ['Other (10)', 10]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=72)',
    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);