function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Acta Entomologica Musei Nationalis Pragae', 105],
    ['Biodiversity Data Journal', 214],
    ['European Journal of Taxonomy', 96],
    ['Far Eastern Entomologist', 374],
    ['Journal of Natural History', 209],
    ['Journal of Orthoptera Research', 350],
    ['Linzer biologische Beiträge', 93],
    ['Mémoires du Muséum national d\'Histoire naturelle', 203],
    ['Orthopterists\' Society', 132],
    ['Revue suisse de Zoologie', 853],
    ['Umwelt-Vollzug', 142],
    ['ZooKeys', 257],
    ['Zoological Journal of the Linnean Society', 80],
    ['Zoosystema', 432],
    ['Zootaxa', 9931],
    ['Other (104)', 1041]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=14512)',
    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);