function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Archives des Sciences, Geneva', 1],
    ['Biodiversity Data Journal', 6],
    ['Bulletin Zoologisch Museum Universiteit van Amsterdam', 1],
    ['Check List', 16],
    ['Denkschriften der Kaiserlichen Akademie der Wissenschaften, Wien', 1],
    ['F. S. Hübschmann, Monachii [= Munich] & Fleischer, Lipsiae [= Leipzig]', 1],
    ['Iheringia Serie Zoologia, Serie Zoologia', 1],
    ['Natuurkundige Verhandelingen van de Hollandsche Maatschappij der Wetenschappen te Haarlem, Series 2', 1],
    ['Neotropical Ichthyology', 29],
    ['Revue suisse de zoologie', 8],
    ['The Zoological Journal', 2],
    ['Videnskabelige Meddelelser frå Dansk Naturhistorisk Forening', 2],
    ['ZooKeys', 2],
    ['Zoologische Verhandelingen, Leiden', 8],
    ['Zootaxa', 76],
    ['Other (1)', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=156)',
    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);