function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Annale van die Suid-Afrikaanse Museum [Annals of the South African Museum]', 2],
    ['Biodiversity Data Journal', 6],
    ['Bulletin of Marine Science', 2],
    ['Bulletin of the Essex Institute', 1],
    ['Comptes Rendus de l’Academie des Sciences de Paris, 3', 1],
    ['Copeia', 1],
    ['Cybium', 1],
    ['European Journal of Taxonomy', 10],
    ['Faune Tropicale', 1],
    ['Fieldiana Zoology, New Series', 1],
    ['Lingnan Science Journal', 2],
    ['Proceedings of the Academy of Natural Sciences of Philadelphia', 4],
    ['Proceedings of the United States National Museum, 3', 2],
    ['Texas Journal of Science', 2],
    ['Zootaxa', 56],
    ['Other (9)', 9]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=101)',
    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);