function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Appolloni, Massimo & Smriglio, Carlo & Amati, Bruno', 2],
    ['Arruda, Eliane P.', 18],
    ['Blake, Joseph (Rev.)', 1],
    ['Borges, Luísa M. S. & Merckelbach, Lucas M.', 2],
    ['Born, Ignaz von', 1],
    ['Carter, Joseph G.', 1],
    ['Conrad, Timothy Abbot', 4],
    ['Dall, William Healey', 1],
    ['Facciolà, L.', 1],
    ['Linnaeus, Carolus', 18],
    ['Sforzi, Alessandra & Sommaggio, Daniele', 3],
    ['Smith, Edgar A.', 2],
    ['Sowerby, James DeCarle', 4],
    ['Suarez-Mozo, Nancy Yolimar & Gracia, Adriana', 4],
    ['Zhang, Jun-Long & Xu, Feng-Shan & Liu, Rui-Yu', 21],
    ['Other (9)', 9]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=92)',
    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);