function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Anales del Jardín Botánico de Madrid', 93],
    ['Birkhaeuser Verlag', 10],
    ['Botanical Journal of the Linnean Society', 8],
    ['Botanische Jahrbücher fur Systematik, Pflanzengeschichte und Pflanzengeographie.', 9],
    ['Info Flora Schweiz', 14],
    ['Insecta Mundi', 32],
    ['Journal of the Adelaide Botanic Gardens', 20],
    ['Journal of the Arnold Arboretum', 8],
    ['Laurentius Salvius', 29],
    ['Order out of Chaos. Linnaean Plant Types and their Types', 47],
    ['PLoS ONE', 15],
    ['PhytoKeys', 285],
    ['Phytotaxa', 38],
    ['Revue suisse de Zoologie', 10],
    ['Systematic Botany', 52],
    ['Other (23)', 56]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=726)',
    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);