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],
    ['Annals of Philosophy, New Series', 1],
    ['Archives du Muséum d\'Histoire Naturelle de Lyon', 1],
    ['Arkiv för Zoologi', 1],
    ['Biodiversity Data Journal', 2],
    ['Biology of the Sea', 1],
    ['Bolletino della Societa geologica italiana', 2],
    ['Bulletin of the United States National Museum', 11],
    ['Journal of the Marine Biological Association of the United Kingdom', 3],
    ['PLoS ONE', 7],
    ['Ray Society', 8],
    ['ZooKeys', 9],
    ['Zoological Journal of the Linnean Society', 2],
    ['Zoosystematics and Evolution', 5],
    ['Zootaxa', 14],
    ['Other (20)', 20]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=88)',
    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);