function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Acta Entomologica Musei Nationalis Pragae', 21],
    ['Beiträge Zur Entomologie = Contributions to Entomology', 10],
    ['Far Eastern Entomologist', 5],
    ['Fauna of New Zealand', 23],
    ['Insecta Mundi', 44],
    ['Journal of Natural History', 104],
    ['New Zealand journal of science', 38],
    ['Proceedings of the Linnean Society of New South Wales', 46],
    ['Revista Chilena de Entomologia', 5],
    ['Smithsonian Contributions to Zoology', 20],
    ['Touka Shobo', 15],
    ['Transactions and proceedings of the New Zealand Institute', 15],
    ['ZooKeys', 33],
    ['Zoological Systematics', 15],
    ['Zootaxa', 827],
    ['Other (28)', 53]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=1274)',
    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);