function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Alfred W. Thomson & Lawrence M. Page', 25],
    ['Chu, X. - L.', 1],
    ['Dao, Wei & Li, Xu & Yang, Hong-Fu & Zhou, Wei', 19],
    ['Ding, R. - H. & Fu, T. - Y. & Ye, M. - R.', 2],
    ['Fang, S. - M. & Xu, T. - Q. & Cui, G. - H.', 1],
    ['Heok Hee Ng', 11],
    ['Kang, Zujie & Chen, Yongxia & He, Dekui', 2],
    ['Li, Xu & Zhou, Wei & Thomson, Alfred W. & Zhang, Qing', 6],
    ['Ng, Heok Hee & Kottelat, Maurice', 1],
    ['Pellegrin, J.', 1],
    ['Xu Li & Wei Zhou & Alfred W. Thomson & Qing Zhang & Ying Yang', 7]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=76)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 11, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);