function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Annale van die Suid-Afrikaanse Museum [Annals of the South African Museum]', 1],
    ['Archiv für Naturgeschichte', 1],
    ['Biodiversity Data Journal', 1],
    ['Biologiya Morya (Vladivostok), Vladivostok', 1],
    ['Bulletin du Muséum National d’Histoire Naturelle, Série 2', 1],
    ['Bulletin of the United States National Museum', 1],
    ['Bulletin of the Vanderbilt Marine Museum', 1],
    ['Japanese Journal of Ichthyology', 1],
    ['Journal and Proceedings of the Asiatic Society of Bengal', 1],
    ['Journal of the Royal society of Western Australia', 1],
    ['Marine Investigations in South Africa', 1],
    ['Proceedings of the California Academy of Sciences, Series 4', 2],
    ['Records of the Australian Museum', 2],
    ['Voprosy Ikhtiologii', 2],
    ['Zootaxa', 22],
    ['Other (9)', 9]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=48)',
    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);