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],
    ['Australasian Journal of Herpetology', 2],
    ['Bulletin of the American Museum of Natural History', 1],
    ['Bulletin of the Florida Museum of Natural History', 1],
    ['Check List', 2],
    ['Fossil Imprint', 2],
    ['Geodiversitas', 2],
    ['Geological Survey of Canada Contributions to Canadian Palaeontology', 2],
    ['Herpetozoa', 1],
    ['Journal of Systematic Palaeontology', 1],
    ['Megataxa', 37],
    ['Palaeontologia Electronica', 3],
    ['Proceedings of the Academy of Natural Sciences of Philadelphia', 1],
    ['ZooKeys', 2],
    ['Zootaxa', 14],
    ['Other (3)', 3]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=75)',
    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);