function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['African Invertebrates', 25],
    ['Annale van die Suid-Afrikaanse Museum [Annals of the South African Museum]', 15],
    ['Annals of the Natal Museum', 1],
    ['Arquivos de Zoologia', 18],
    ['Arquivos de Zoologia, São Paulo', 2],
    ['Arthropod Fauna of the United Arab Emirates 3', 7],
    ['Biodiversity Data Journal', 8],
    ['Bulletin de l\'Institut Royal des Sciences Naturelles de Belgique', 3],
    ['Entomologist\'s monthly magazine', 2],
    ['Memoires de la Société (Royale) des Sciences, de l\'Agriculture et des Arts à Lille', 2],
    ['Revista Brasileira de Entomologia', 4],
    ['South African Animal Life (Results of the Lund University Expedition in 1950 - 1951)', 4],
    ['Stettiner Entomologische Zeitung', 4],
    ['ZooKeys', 24],
    ['Zootaxa', 50],
    ['Other (15)', 15]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=184)',
    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);