function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Acta Entomologica Musei Nationalis Pragae', 15],
    ['African Invertebrates', 2],
    ['Annotationes Zoologicae Japonenses', 3],
    ['Beiträge Zur Entomologie = Contributions to Entomology', 2],
    ['Biodiversity Data Journal', 3],
    ['Botanica Marina', 8],
    ['Caucasian Entomological Bulletin', 6],
    ['E. J. Brill', 4],
    ['Henry G. Bohn', 3],
    ['Iheringia Serie Zoologia, Serie Zoologia', 2],
    ['Journal N Y Ent Soc', 2],
    ['Papéis Avulsos de Zoologia', 10],
    ['Phytotaxa', 4],
    ['ZooKeys', 5],
    ['Zootaxa', 646],
    ['Other (12)', 13]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=728)',
    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);