function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Acta Societatis Regiae Scientiarum Indo-Neêrlandicae', 2],
    ['Annals of the Queensland Museum', 1],
    ['Archives du Museum National d\'Histoire Naturelle, 6', 1],
    ['Beverley Tucker', 1],
    ['British Museum (Natural History)', 7],
    ['Bulletin of the United States Fish Commission', 2],
    ['European Journal of Taxonomy', 3],
    ['Journal of the Washington Academy of Sciences', 5],
    ['Natuurkunde Tijdschrift voor Nederlandsche-Indië', 4],
    ['Proceedings of the Academy of Natural Sciences of Philadelphia', 3],
    ['Proceedings of the United States National Museum, 3', 3],
    ['Proceedings of the Zoological Acclimatisation Society of Victoria', 2],
    ['Records of the Australian Museum', 15],
    ['ZooKeys', 8],
    ['Zootaxa', 63],
    ['Other (22)', 22]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=142)',
    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);