function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Artois, Tom & Willems, Wim & Revis, Nathalie & Martens, Paul', 5],
    ['Artois, Tom J.', 8],
    ['Artois, Tom J. & Tessens, Bart S.', 20],
    ['Diez, Yander L. & Hernández, Claudia Sanjuan & Reygel, Patrick', 11],
    ['Diez, Yander L. & Sanjuan, Claudia & Monnens, Marlies', 5],
    ['Faubel, A. & Warwick, R. M.', 5],
    ['Hornung, Jahn J.', 1],
    ['Hu, Xiao-Zhou & Chen, Yu-Si & Zhong, Lin-Hong & Xie, Yao-Hang', 1],
    ['Lin, Yitao & Reygel, Patrick & Feng, Weitao & Chen, Jiajia', 4],
    ['Schockaert, Ernest R. & Martens, Paul M. & Revis, Nathalie', 7],
    ['Schockaert, Ernest R. & Moons, Patricia & Janssen, Toon', 18],
    ['Willems, Wim R. & Reygel, Patrick & Steenkiste, Niels Van', 7],
    ['Willems, Wim R. & Sandberg, Maria I. & Jondelius, Ulf', 2],
    ['Xie, Yao-Hang & Wei, Li-Yang & Huang, Wei-Dong & Zhong, Lin-Hong', 3],
    ['Zhong, Lin-Hong & Hu, Xiao-Zhou & Lin, Yi-Tao & Feng, Wei-Tao', 2],
    ['Other (2)', 2]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=101)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 16, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);