function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Annales du Muséum d\'Histoire Naturelle, Paris', 2],
    ['Cybium', 1],
    ['Déterville', 1],
    ['European Journal of Taxonomy', 2],
    ['Handl. Svenska Vet. Akad.', 1],
    ['Journal and Proceedings of the Asiatic Society of Bengal', 2],
    ['Journal of Natural History', 1],
    ['Laurentius Salvius', 4],
    ['Leland Stanford Jr. University Publications, University Series', 1],
    ['Memoirs of the Indian Museum', 1],
    ['Nodder & Company', 5],
    ['Report on the Scientific Results of the Voyage of H. M. S. “ Challenger ” during the Years 1873 - 76 under the Command of Captai', 1],
    ['Skrifter Naturhistoriska-Selski. Kiøbenhavn', 1],
    ['Zootaxa', 6],
    ['Öfversigt af Konglelige Vetenskaps-Akademiens Förhandlingar', 2],
    ['Other (1)', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=32)',
    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);