function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Annals of the Lyceum of Natural History of New York', 1],
    ['Anzeiger', 1],
    ['Archiv für Naturgeschichte', 3],
    ['Biodiversity Data Journal', 2],
    ['Bulletin of the United States Fish Commission', 1],
    ['Check List', 2],
    ['Comunicaço {~ es do Museu de Ciências PUCRS, Sér. Zool. Porto Alegre', 1],
    ['European Journal of Taxonomy', 10],
    ['Journal of the Elisha Mitchell Scientific Society', 1],
    ['Laurentius Salvius', 8],
    ['New Zealand Journal of Science and Technology', 1],
    ['Proceedings of the Academy of Natural Sciences of Philadelphia', 1],
    ['Proceedings of the Royal Society of Queensland', 1],
    ['Records of the Australian Museum', 1],
    ['Zootaxa', 17],
    ['Other (3)', 3]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=54)',
    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);