function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Acarologia', 44],
    ['Anales de Instituto de Biología, Universidad Nacional Autónoma de México, Serie Zoologia', 2],
    ['Asia Life Science', 2],
    ['Asia Life Sciences', 5],
    ['Belgian Journal of Zoology', 4],
    ['Indira Publishing House', 17],
    ['Journal of Natural History', 19],
    ['Journal of the Entomological Society of Southern Africa', 8],
    ['Pakistan Journal of Agricultural Sciences', 4],
    ['Persian Journal of Acarology', 21],
    ['Phytophylactica', 3],
    ['Sarhad Journal of Agriculture', 3],
    ['The Philippine Agriculturist', 10],
    ['ZooKeys', 36],
    ['Zootaxa', 177],
    ['Other (14)', 19]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=374)',
    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);