function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Acta Biologica Universitatis Daugavpiliensis', 1],
    ['Acta Entomologica Musei Nationalis Pragae', 4],
    ['Animal Biodiversity and Conservation', 1],
    ['Annales zoologici', 2],
    ['Annals and Magazine of Natural History, Including Zoology, Botany and Geology, Being a Continuation of the \' Magazine of Botany ', 1],
    ['Genus', 10],
    ['Insecta Mundi', 2],
    ['Mitteilungen des Internationalen Entomologischen Vereins', 3],
    ['Polskie Pismo Entomologiczne [Polish Journal of Entomology]', 4],
    ['Revue suisse de Zoologie', 2],
    ['Studies and Reports Taxonomical Series', 3],
    ['Studies and reports of District Museum Prague-East, Taxonomical Series', 2],
    ['The Coleopterists Bulletin', 15],
    ['ZooKeys', 13],
    ['Zootaxa', 26],
    ['Other (11)', 11]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=100)',
    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);