function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Acta Zootaxonomica Sinica', 2],
    ['Annali del Museo Civico di Storia Naturale \' Giacomo Doria\'', 1],
    ['Anzeiger', 2],
    ['Biologia, Lahore', 1],
    ['Bulletin de l\'Akadémie Impériale des Sciences de St. Pétersbourg, 5', 3],
    ['Bulletin de la Société Zoologique de France', 1],
    ['Bulletin of the Research Council of Israel', 1],
    ['Calcutta Journal of Natural History, and Miscellany of the Arts and Sciences in India', 4],
    ['Ezhegodnik Zoologicheskogo Muzeya Imperatorskogo Akademii Nauk', 1],
    ['Ichthyological Exploration of Freshwaters', 1],
    ['Izv. Imp. Obsh. Lyub. Estestv. Antro. Etno.', 3],
    ['Japanese Journal of Ichthyology', 2],
    ['Turkish Journal of Zoology', 3],
    ['Zoological Research', 4],
    ['Zootaxa', 18],
    ['Other (3)', 3]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=50)',
    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);