function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Choi, Jin-Kyung & Wei, Meicai & Vilhelmsen, Lars', 3],
    ['Konow, Friedrich Wilhelm', 2],
    ['Malagón-Aldana, Leonardo A. & Smith, David R. & Vilhelmsen, Lars', 1],
    ['Schedl, W.', 8],
    ['Schedl, Wolfgang', 2],
    ['Schmidt, Stefan & Vilhelmsen, Lars', 4],
    ['Vilhelmsen, Lars', 12],
    ['Vilhelmsen, Lars & Blank, Stephan M. & Costa, Valmir A.', 2],
    ['Vilhelmsen, Lars & Blank, Stephan M. & Liu, Zhiwei', 4],
    ['Vilhelmsen, Lars & Smith, David R.', 5]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=43)',
    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);