function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Acta Entomologica Musei Nationalis Pragae', 23],
    ['Deutsche Entomologische Zeitschrift', 48],
    ['Evolutionary Systematics', 13],
    ['Far Eastern Entomologist', 162],
    ['Fragmenta entomologica', 33],
    ['Journal of Natural History', 81],
    ['Journal of Orthoptera Research', 81],
    ['Records of the Zoological Survey of India', 30],
    ['Revue suisse de Zoologie', 150],
    ['The Orthopterists Society at the Academy of Natural Sciences of Philadelphia,', 72],
    ['Umwelt-Vollzug', 34],
    ['ZooKeys', 104],
    ['Zoological Journal of the Linnean Society', 16],
    ['Zoosystema', 30],
    ['Zootaxa', 2848],
    ['Other (37)', 142]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=3867)',
    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);