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],
    ['Colonial Museum and Geological Survey Department', 12],
    ['DSIR Plant Protection', 1],
    ['New Zealand Institute', 2],
    ['New Zealand Institute bulletin', 1],
    ['Pacific insects monograph', 1],
    ['The Coleopterists Bulletin', 31],
    ['Transactions and proceedings of the New Zealand Institute', 1],
    ['Transactions of the Royal Society of New Zealand', 1],
    ['Zootaxa', 38]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=89)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerSource', 'pie', 10, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerSource'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerSource);