function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['American Museum Novitates', 2],
    ['Bulletin of the United States Fish Commission', 1],
    ['Journal of the Bombay Natural History Society', 1],
    ['Memorie della Accademia delle Scienze di Torino, Classe die Scienze Fisiche, Matematuche e Naturali Torino., Serie 2', 1],
    ['Occasional Papers of the Bernice P. Bishop Museum', 1],
    ['Proceedings of the Academy of Natural Sciences of Philadelphia', 5],
    ['Proceedings of the Zoological Society of London, B', 1],
    ['Publications of the Field Museum of Natural History, Zoölogical', 1],
    ['Rec. Albany Mus. Grahamstown', 1],
    ['Studies in Tropical Oceanography, Miami', 1],
    ['Zoologica', 2],
    ['Zoologicheskii Zhurnal', 1],
    ['Zootaxa', 31],
    ['“ Meteor ” Forschungsergebnisse, D', 3]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=52)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerSource', 'pie', 14, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerSource'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerSource);