function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Acta Biologica Universitatis Daugavpiliensis', 64],
    ['Acta Entomologica Musei Nationalis Pragae', 48],
    ['Biodiversity Data Journal', 620],
    ['Botanica Marina', 60],
    ['Check List', 109],
    ['Cryptogamie, Mycologie', 562],
    ['European Journal of Taxonomy', 316],
    ['Insecta Mundi', 153],
    ['Linzer biologische Beiträge', 103],
    ['MycoKeys', 2558],
    ['Order out of Chaos. Linnaean Plant Types and their Types', 167],
    ['Phytotaxa', 3111],
    ['Studies In Mycology', 193],
    ['Zoosystema', 94],
    ['Zootaxa', 842],
    ['Other (102)', 598]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=9598)',
    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);