function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Acta Biologica Universitatis Daugavpiliensis', 4],
    ['Acta Entomologica Musei Nationalis Pragae', 224],
    ['Annales zoologici', 17],
    ['Baltic journal of coleopterology', 18],
    ['Biodiversity Data Journal', 8],
    ['Biodiversity, biogeography and nature conservation in Wallacea and New Guinea. Volume 3, Biodiversity, biogeography and nature c', 8],
    ['Bulletin de la Société Impériale des Naturalistes de Moscou', 8],
    ['European Journal of Taxonomy', 29],
    ['Fauna of New Zealand', 8],
    ['Insecta Mundi', 12],
    ['Latvijas Entomologs', 15],
    ['Revue de Zoologie et de Botanique Africaines', 5],
    ['Vernate', 21],
    ['ZooKeys', 10],
    ['Zootaxa', 295],
    ['Other (22)', 30]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=712)',
    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);