function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Acta Zootaxonomica Sinica', 2],
    ['Annals and Magazine of Natural History', 1],
    ['Archive of Fishery and Marine Research', 1],
    ['Australian zoologist', 1],
    ['Bulletin Inst. Fondam. Afr. Noire Sci. Nat., A', 1],
    ['Bulletin of the American Museum of Natural History', 2],
    ['Cybium', 1],
    ['European Journal of Taxonomy', 14],
    ['Journal of Zoology, London', 3],
    ['NOAA (National Oceanic and Atmospheric Administration) Technical Report NMFS (National Marine Fisheries Service), Circular', 2],
    ['Oceanologica et Limnologica Sinica', 7],
    ['Proceedings of the Academy of Natural Sciences of Philadelphia', 2],
    ['Records of the Australian Museum', 2],
    ['Zoological Journal of the Linnean Society', 3],
    ['Zootaxa', 213],
    ['Other (15)', 15]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=270)',
    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);