function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Hlaváč, Peter & Nomura, Shûhei Dr. & Zhou, Hong-Zhang', 2],
    ['Jeannel, René Gabriel', 2],
    ['Li, Ning & Yin, Zi-Wei', 1],
    ['Raffray, A.', 1],
    ['Sharp, David', 1],
    ['Yin, Zi-Wei', 1],
    ['Yin, Zi-Wei & Hlavac, Peter & Li, Li-Zhen', 6],
    ['Yin, Zi-Wei & Li, Li-Zhen', 13],
    ['Yin, Zi-Wei & Li, Ning', 5],
    ['Yin, Zi-Wei & Zhang, Yu-Qing', 1],
    ['Zhang, Yu-Qing & Li, Li-Zhen & Yin, Zi-Wei', 55],
    ['Zhang, Yu-Qing & Yin, Zi-Wei', 4]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=92)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 12, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);