function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Auychinda, Chonlakran & Muranyi, David & Li, Weihai', 1],
    ['Auychinda, Chonlakran & Sartori, Michel & Boonsoong, Boonsatien', 1],
    ['Martynov, Alexander V. & Selvakumar, C. & Palatov, Dmitry M.', 8],
    ['Martynov, Alexander V. & Selvakumar, C. & Subramanian, K. A.', 7],
    ['Xie, Hui & Jia, Yan-Yan & Chen, Ping & Jacobus, Luke M.', 3],
    ['Zhang, Min & Li, Wen-Juan & Ying, Xiao-Li & Zhou, Chang-Fa', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=21)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 6, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);