function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Anales del Museo Nacional de Historia Natural de Buenos Aires, Serie 3', 1],
    ['Annals of the Carnegie Museum', 3],
    ['Anzeiger', 4],
    ['Biodiversity Data Journal', 2],
    ['Denkschriften der Kaiserlichen Akademie der Wissenschaften, Wien', 2],
    ['Ind. Univ. Studies', 2],
    ['Laurentius Salvius', 2],
    ['Monatsberichte der Akademie der Wissenschaft zu Berlin', 2],
    ['Neotropical Ichthyology', 6],
    ['Proceedings of the Academy of Natural Sciences of Philadelphia', 7],
    ['Proceedings of the California Academy of Sciences, Series 2', 3],
    ['Publications of the Field Museum of Natural History, Zoölogical', 2],
    ['Rev. Mus. Paulista', 2],
    ['Transactions of the Zoological Society of London', 2],
    ['Zootaxa', 4],
    ['Other (14)', 14]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=58)',
    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);