function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Acta Societatis Regiae Scientiarum Indo-Neêrlandicae', 1],
    ['Archiv für Naturgeschichte', 1],
    ['Bulletin de la Société Philomathique de Paris, Série 7', 1],
    ['Bulletin du Muséum National d’Histoire Naturelle, Série 2', 1],
    ['Bulletin of the United States Bureau of Fisheries', 1],
    ['European Journal of Taxonomy', 1],
    ['Fish. Bull. W. Austr.', 1],
    ['Inst. Océanogr. L\'Indochine', 1],
    ['Journal of Natural History', 1],
    ['Marine Investigations in South Africa', 2],
    ['Memoirs of the Queensland Museum', 1],
    ['Monatsberichte der Akademie der Wissenschaft zu Berlin', 2],
    ['Proceedings of the Linnean Society of New South Wales', 5],
    ['Proceedings of the United States National Museum, 3', 1],
    ['Zootaxa', 2],
    ['Other (2)', 2]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=24)',
    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);