function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Adansonia', 34],
    ['Annalen des Naturhistorischen Museums in Wien, Serie B, Botanik und Zoologie', 6],
    ['Austrobaileya', 7],
    ['Biodiversity Data Journal', 24],
    ['Botanische Jahrbücher fur Systematik, Pflanzengeschichte und Pflanzengeographie.', 45],
    ['Bulletin du Jardin Botanique de Buitenzorg, Série 2', 24],
    ['European Journal of Taxonomy', 7],
    ['Linnaea: Ein Journal für die Botanik in ihrem ganzen Umfange', 7],
    ['Notizblatt des Königlichen Botanischen Gartens und Museums zu Berlin', 40],
    ['Nova Guinea. Contributions to the anthropology, botany, geology and zoology of the Papuan region. Botany', 38],
    ['Occasional Papers of the Bernice P. Bishop Museum', 16],
    ['Orchadian', 21],
    ['Phytotaxa', 95],
    ['The London Journal of Botany; Containing Figures and Descriptions of Such Plants as Recommend Themselves by Their Novelty, Rarit', 5],
    ['Transactions of the Linnean Society of London, Second Series. Botany', 9],
    ['Other (19)', 33]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=411)',
    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);