function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Biodiversity Data Journal', 99],
    ['European Journal of Taxonomy', 143],
    ['Insect Systematics and Diversity', 21],
    ['Insecta Mundi', 80],
    ['International Journal of Myriapodology', 14],
    ['Journal of Natural History', 40],
    ['Memoirs of Museum Victoria', 34],
    ['Papéis Avulsos de Zoologia', 82],
    ['Raffles Bulletin of Zoology', 34],
    ['Records of the Western Australian Museum', 30],
    ['Revue suisse de Zoologie', 221],
    ['ZooKeys', 565],
    ['Zoological Journal of the Linnean Society', 36],
    ['Zoological Studies', 14],
    ['Zootaxa', 999],
    ['Other (25)', 86]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=2498)',
    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);