function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Arthropoda Selecta', 17],
    ['Biodiversity Data Journal', 188],
    ['Caucasian Entomological Bulletin', 36],
    ['European Journal of Taxonomy', 42],
    ['Evolutionary Systematics', 38],
    ['Far Eastern Entomologist', 20],
    ['Fauna of New Zealand', 14],
    ['Invertebrate Taxonomy', 12],
    ['Journal of Natural History', 10],
    ['Raffles Bulletin of Zoology', 26],
    ['State Fauna Series 4 Fauna of Meghalaya Part 2', 28],
    ['ZooKeys', 132],
    ['Zoological Systematics', 50],
    ['Zoosystema', 107],
    ['Zootaxa', 394],
    ['Other (29)', 89]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=1203)',
    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);