function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Australian Systematic Botany', 5],
    ['Biodiversity Data Journal', 1071],
    ['Blumea - Biodiversity, Evolution and Biogeography of Plants', 17],
    ['Botanical Journal of the Linnean Society, Bot.', 8],
    ['Botanische Jahrbücher fur Systematik, Pflanzengeschichte und Pflanzengeographie.', 42],
    ['F. W. Forstmann', 10],
    ['J. Cramer', 26],
    ['Journal of the Arnold Arboretum', 30],
    ['Kew Bulletin', 8],
    ['Nova Guinea. Contributions to the anthropology, botany, geology and zoology of the Papuan region. Botany', 10],
    ['Order out of Chaos. Linnaean Plant Types and their Types', 104],
    ['PhytoKeys', 44],
    ['Phytotaxa', 87],
    ['Transactions of the Linnean Society of London, Second Series. Botany', 8],
    ['Zootaxa', 18],
    ['Other (77)', 118]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=1606)',
    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);