function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Acta Societatis Zoologicae Bohemicae', 7],
    ['Acta Societatis Zoologicae Bohemoslovenicae', 5],
    ['African Invertebrates', 11],
    ['American Museum Novitates', 13],
    ['Bulletin du Muséum National d’Histoire Naturelle, Série 4, Section A, Zoologie, Biologie et Écologie d’Animal', 8],
    ['Bulletin of the American Museum of Natural History', 40],
    ['European Journal of Taxonomy', 5],
    ['Euscorpius', 611],
    ['Poeyana', 5],
    ['ZooKeys', 95],
    ['Zoological Journal of the Linnean Society', 19],
    ['Zoosystema', 33],
    ['Zoosystematics and Evolution', 6],
    ['Zootaxa', 59],
    ['ex Officina Academica, Venditur a Mittlero', 5],
    ['Other (25)', 38]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=960)',
    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);