function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Baehr, Barbara C. & Harvey, Mark S. & Smith, Helen M.', 16],
    ['Grismado, Cristian J. & Deeleman, Christa & Piacentini, Luis N.', 2],
    ['Harvey, Mark S. & Edward, Karen Louise', 1],
    ['Huang, Ying & Bian, Dongju & Tong, Yanfeng & Li, Shuqiang', 3],
    ['Wang, Xiaohan & Wang, Zengxue & Tong, Yanfeng & Bian, Dongju', 3]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=25)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 5, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);