function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Australian Journal of Marine and Freshwater Research', 1],
    ['Biol. Results " Endeavour "', 1],
    ['Bulletin de l\'Institut Royal des Sciences Naturelles de Belgique', 1],
    ['Byulleten Moskovskogo Obshchestva Ispytatelei Prirody Otdel Biologicheskii [Bull. Moscow Soc. Naturalists Biol. Ser.], otdel\' bi', 1],
    ['Ichthyological Research', 1],
    ['ZooKeys', 1],
    ['Zootaxa', 3]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=9)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerSource', 'pie', 7, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerSource'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerSource);