function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Beiträge Zur Entomologie = Contributions to Entomology', 11],
    ['Biodiversity Data Journal', 12],
    ['Boissiera', 22],
    ['Brill', 11],
    ['Candollea', 186],
    ['Check List', 93],
    ['Cryptogamie, Bryologie', 119],
    ['European Journal of Taxonomy', 9],
    ['Kew Publishing', 14],
    ['Linzer biologische Beiträge', 10],
    ['Order out of Chaos. Linnaean Plant Types and their Types', 53],
    ['PhytoKeys', 56],
    ['Phytotaxa', 779],
    ['Proceedings of the California Academy of Sciences', 12],
    ['Zootaxa', 15],
    ['Other (32)', 76]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=1478)',
    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);