function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Arthropoda Selecta', 4],
    ['Biodiversity Data Journal', 54],
    ['Bulletin of the National Museum of Nature and Science, Series A (Zoology)', 3],
    ['Bulletin of the National Science Museum, Series A (Zoology)', 8],
    ['Caucasiana', 2],
    ['Evolutionary Systematics', 4],
    ['Journal of Natural History', 6],
    ['Proceedings of the Japanese Society of Systematic Zoology', 3],
    ['Raffles Bulletin of Zoology', 8],
    ['State Fauna Series 4 Fauna of Meghalaya Part 2', 4],
    ['UPLB Museum Publications in Natural History', 5],
    ['ZooKeys', 111],
    ['Zoological Systematics', 13],
    ['Zoosystema', 19],
    ['Zootaxa', 140],
    ['Other (8)', 9]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=393)',
    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);