function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Acta Academiae Medicinae Zunyi', 2],
    ['Acta Hydrobiologica Sinica', 4],
    ['Acta Zoologica Sinica', 1],
    ['Acta Zootaxonomica Sinica', 9],
    ['Carsologica Sinica', 1],
    ['Chinese J. Fish.', 2],
    ['Journal Yunnan Agr. Univ.', 1],
    ['Journal of Guangxi Normal University', 1],
    ['Journal of Zhanjiang Ocean University', 4],
    ['Southwest China Journal of Agricultural Sciences', 2],
    ['Trans. Chinese Ichthyol. Soc.', 1],
    ['ZooKeys', 1],
    ['Zoological Research', 3],
    ['Zootaxa', 11]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=43)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerSource', 'pie', 14, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerSource'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerSource);