function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Annals and Magazine of Natural History, Including Zoology, Botany and Geology, Being a Continuation of the \' Magazine of Botany ', 1],
    ['Archives du Muséum d\'Histoire Naturelle de Lyon', 1],
    ['Arkiv för Zoologi', 1],
    ['Biodiversity Data Journal', 1],
    ['Biology of the Sea', 1],
    ['Bolletino della Societa geologica italiana', 2],
    ['Bulletin of the United States National Museum', 11],
    ['Expedition oceanografic belge dans les Eaux cotieres africaines de L\'antlantique sud (1948 - 1949). Resultats scientifiques', 1],
    ['Israel Journal of Zoology', 1],
    ['Journal of the Marine Biological Association of the United Kingdom', 3],
    ['PLoS ONE', 7],
    ['Ray Society', 7],
    ['ZooKeys', 2],
    ['Zoosystematics and Evolution', 2],
    ['Zootaxa', 12],
    ['Other (12)', 12]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=65)',
    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);