function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Acta Arachnologica', 1],
    ['Annales Historico-Naturales Musei Nationalis Hungarici', 3],
    ['Annales du Musee Royale de l\'Afrique Centrale, Zoologie, Serie 8', 1],
    ['Annales du Musée Royal du Congo Belge, Tervuren (Série in 8 º) Sciences Zoologiques', 2],
    ['Annals and Magazine of Natural History, Including Zoology, Botany and Geology, Being a Continuation of the \' Magazine of Botany ', 2],
    ['Annals of the Natal Museum', 2],
    ['Arkiv för zoologi', 3],
    ['Australian Journal of Zoology', 4],
    ['Eos, Revista Española de Entomología', 2],
    ['Indago', 9],
    ['Israel Journal of Zoology', 2],
    ['Mitteilungen aus dem Zoologischen Museum in Berlin', 3],
    ['Oriental Insects Monograph', 3],
    ['Pacific Insects', 3],
    ['Zootaxa', 20],
    ['Other (17)', 17]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=77)',
    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);