function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Acta Entomologica Musei Nationalis Pragae', 13],
    ['American Museum Novitates', 4],
    ['Biodiversity Data Journal', 295],
    ['European Journal of Taxonomy', 33],
    ['Insect Systematics and Diversity', 28],
    ['Insects of Micronesia', 22],
    ['Journal of Hymenoptera Research', 13],
    ['Journal of Natural History', 28],
    ['Memoirs of Museum Victoria', 3],
    ['Papéis Avulsos de Zoologia', 12],
    ['Proceedings of the Entomological Society of Washington', 8],
    ['Proceedings of the Hawaiian Entomological Society', 5],
    ['ZooKeys', 78],
    ['Zoosystema', 10],
    ['Zootaxa', 216],
    ['Other (17)', 23]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=791)',
    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);