function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Aung, Khin Pyae Pyae & Xu, Xin & Lwin, Wai Wai & Sang, Men Zing', 3],
    ['Lin, Yejie & Li, Shuqiang', 1],
    ['Peter J. Schwendinger', 16],
    ['Schwendinger, Peter J.', 3],
    ['Schwendinger, Peter J. & Huber, Siegfried', 14],
    ['Schwendinger, Peter J. & Ono, Hirotsugu', 1],
    ['Sivayyapram, Varat & Kunsete, Chawakorn & Xu, Xin', 8],
    ['Xu, Xin & Liu, Fengxiang & Chen, Jian & Ono, Hirotsugu', 1],
    ['Xu, Xin & Yu, Li & Aung, Khin Pyae Pyae & Yu, Long', 3],
    ['Zhan, Yi & Sivayyapram, Varat & Liu, Fengxiang & Li, Daiqin', 4]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=54)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 10, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);