function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['American Museum Novitates', 4],
    ['Annali del Museo Civico di Storia Naturale di Genova', 7],
    ['Annals and Magazine of Natural History, Including Zoology, Botany and Geology, Being a Continuation of the \' Magazine of Botany ', 24],
    ['Archivos do Museu Nacional do Rio de Janeiro', 3],
    ['Bulletin de la Société Zoologique de France', 5],
    ['European Journal of Taxonomy', 146],
    ['Journal of Arachnology', 8],
    ['Mémoires du Muséum National d’Histoire Naturelle', 5],
    ['Occasional Papers of the California Academy of Sciences', 7],
    ['Records of the Indian Museum', 11],
    ['Studies on the Fauna of Curacao and Other Caribbean Islands', 6],
    ['The Journal of the Linnean Society of London, Zoology', 7],
    ['ZooKeys', 4],
    ['Zoological Systematics', 4],
    ['Zootaxa', 70],
    ['Other (54)', 78]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=389)',
    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);