function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Acarologia', 32],
    ['Fauna of New Zealand', 51],
    ['International Journal of Acarology', 3],
    ['International journal of acarology', 2],
    ['Journal of Natural History', 9],
    ['Oriental Insects', 2],
    ['Persian Journal of Acarology', 53],
    ['Persian journal of acarology', 3],
    ['Proceedings of the Hawaiian Entomological Society', 2],
    ['Systematic & Applied Acarology', 3],
    ['Transactions of the Royal Society of New Zealand', 8],
    ['ZooKeys', 60],
    ['Zoological Systematics', 38],
    ['Zoosystema', 6],
    ['Zootaxa', 1540],
    ['Other (10)', 12]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=1824)',
    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);