function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Appolloni, Massimo & Smriglio, Carlo & Amati, Bruno', 1],
    ['Bakker, Piet A. J. & Albano, Paolo G.', 3],
    ['Born, Ignaz von', 1],
    ['Conrad, Timothy Abbot', 1],
    ['Fasulo, Giuseppe & Duraccio, Sergio & Federico, Antonio', 1],
    ['Geiger, Daniel L.', 4],
    ['Harzhauser, Mathias & Guzhov, Aleksandr & Landau, Bernard', 1],
    ['Houart, Roland & Héros, Virginie', 4],
    ['Linnaeus, Carolus', 62],
    ['Low, Martyn E. Y. & Tan, Siong Kiat', 1],
    ['Mohr, Nicolai', 1],
    ['Montagu, George', 1],
    ['Neubauer, Thomas A.', 1],
    ['Olivi, Giuseppe', 1],
    ['Röding, Peter Friedrich', 1],
    ['Other (1)', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=85)',
    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);