function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Acta Ichthyologica et Piscatoria', 1],
    ['Archiv für Naturgeschichte', 2],
    ['Archives Néerlandaises des Sciences Exactes et Naturelles', 1],
    ['Biodiversity Data Journal', 15],
    ['Biol. Results " Endeavour "', 1],
    ['Bulletin de l\'Institut Royal des Sciences Naturelles de Belgique', 1],
    ['Copeia', 2],
    ['European Journal of Taxonomy', 2],
    ['F. G. Levrault', 2],
    ['Laurentius Salvius', 21],
    ['T. F. H. Publications, Inc.', 3],
    ['Travaux du Museum d\'Histoire Naturelle \' Grigore Antipa\'', 3],
    ['ZooKeys', 3],
    ['Zoological Journal of the Linnean Society', 2],
    ['Zootaxa', 55],
    ['Other (14)', 14]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=128)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerSource', 'pie', 16, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerSource'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerSource);