function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Atti della Accademia Pontaniana', 25],
    ['Bolletino della Societa geologica italiana', 12],
    ['Bulletin of the United States National Museum', 60],
    ['Földtani Közlöny', 15],
    ['Journal of Crustacean Biology', 12],
    ['Journal of Natural History', 18],
    ['Mémoires du Muséum National d’Histoire Naturelle', 19],
    ['Proceedings of the Academy of Natural Sciences of Philadelphia', 12],
    ['Ray Society', 83],
    ['Videnskabelige Meddelelser fra Dansk Naturhistoriske Forening i Kjøbenhavn', 20],
    ['ZooKeys', 45],
    ['Zoological Journal of the Linnean Society', 47],
    ['Zoosystema', 31],
    ['Zoosystematics and Evolution', 49],
    ['Zootaxa', 152],
    ['Other (162)', 507]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=1107)',
    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);