function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Alcock, Alfred William', 1],
    ['Andréfouët, Serge & Chen, Wei-Jen & Kinch, Jeff & Mana, Ralph', 1],
    ['Fowler, Henry Weed', 1],
    ['Günther, Albert Charles Lewis Gotthilf', 1],
    ['Hoshino, Koichi & Amaoka, Kunio & Last, Peter R.', 1],
    ['Norman, J. R.', 4],
    ['Quéro, J. - C. & Hensley, Dannie A. & Maugé, A. L.', 1],
    ['Reid, E. D.', 1],
    ['Voronina, Elena P. & Volkova, Galina A.', 1],
    ['von Bonde, C.', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=13)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 10, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);