function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Annals of the Carnegie Museum', 8],
    ['Biodiversity Data Journal', 4],
    ['Check List', 20],
    ['Copeia', 5],
    ['Memoirs of the Carnegie Museum', 11],
    ['Neotropical Ichthyology', 21],
    ['Novedades Colombianas', 4],
    ['Papéis Avulsos de Zoologia', 4],
    ['Proceedings of the Academy of Natural Sciences of Philadelphia', 14],
    ['Proceedings of the Biological Society of Washington', 4],
    ['Proceedings of the California Academy of Sciences, Series 2', 5],
    ['Proceedings of the United States National Museum, 3', 4],
    ['Rev. Mus. Paulista', 7],
    ['Zoosystema', 6],
    ['Zootaxa', 73],
    ['Other (45)', 66]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=256)',
    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);