function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Acta Zoologica Academiae Scientiarum Hungaricae', 26],
    ['Biodiversity Data Journal', 3],
    ['C. Fritsch', 1],
    ['European Journal of Taxonomy', 14],
    ['Journal of Natural History', 46],
    ['Laurentius Salvius', 3],
    ['NIWA', 6],
    ['Occasional Papers of the Bernice P. Bishop Museum', 2],
    ['Species Diversity', 23],
    ['ZooKeys', 33],
    ['Zoological Journal of the Linnean Society', 45],
    ['Zoological Science', 4],
    ['Zoologische Jahrbuecher Abteilungen für Systematik', 2],
    ['Zoologischer Anzeiger', 7],
    ['Zootaxa', 52],
    ['Other (12)', 12]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=279)',
    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);