function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Annals and Magazine of Natural History, Including Zoology, Botany and Geology, Being a Continuation of the \' Magazine of Botany ', 4],
    ['Biodiversity Data Journal', 61],
    ['Deutsche Entomologische Zeitschrift', 12],
    ['Far Eastern Entomologist', 160],
    ['Fauna of New Zealand', 8],
    ['Insecta Mundi', 5],
    ['Insects of Guam I', 9],
    ['Journal of Natural History', 17],
    ['Laurentius Salvius', 5],
    ['New Zealand journal of zoology', 5],
    ['Proceedings of the Hawaiian Entomological Society', 11],
    ['Proceedings of the United States National Museum, 3', 6],
    ['ZooKeys', 53],
    ['Zoological Systematics', 8],
    ['Zootaxa', 1371],
    ['Other (39)', 60]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=1795)',
    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);