function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Akademiia Nauk SSSR, Trudy P. P. Shirshov Instytut Okeanologii', 1],
    ['Archiv für Fischereiwissenschaft', 1],
    ['Bulletin of the Museum of Comparative Zoology at Harvard College', 2],
    ['Bulletin of the Museum of Comparative Zoology at Harvard College, 3', 1],
    ['Comptes Rendus de l’Academie des Sciences de Moscow', 1],
    ['Copeia', 1],
    ['European Journal of Taxonomy', 19],
    ['Journal of Fish Biology', 1],
    ['La Nature, Paris', 1],
    ['Proceedings of the United States National Museum, 3', 2],
    ['Rep. Danish Oceanogr. Exped. Mediterr., 1908 - 1910 Medit. Adj. Seas.', 1],
    ['Report on the Scientific Results of the Voyage of H. M. S. “ Challenger ” during the Years 1873 - 76 under the Command of Captai', 1],
    ['Result. Campagnes Sci. Monaco', 1],
    ['Videnskabelige Meddelelser frå Dansk Naturhistorisk Forening', 2],
    ['Zootaxa', 31],
    ['Other (2)', 2]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=68)',
    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);