function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['African Invertebrates', 2],
    ['American Museum Novitates', 21],
    ['Annals and Magazine of Natural History, Including Zoology, Botany and Geology, Being a Continuation of the \' Magazine of Botany ', 2],
    ['Annotationes Zoologicae Japonenses', 2],
    ['Antarctic Research Series', 2],
    ['Comparative Parasitology', 5],
    ['Dobutsugaku Zasshi', 8],
    ['Ecologica Montenegrina', 23],
    ['Evolutionary Systematics', 2],
    ['Journal of Parasitology', 5],
    ['Proceedings of the Imperial Academy', 3],
    ['Records of the Zoological Survey of India', 5],
    ['Transactions of the American Microscopical Society', 3],
    ['ZooKeys', 47],
    ['Zootaxa', 60],
    ['Other (32)', 36]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=226)',
    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);