function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Arnscheid, Wilfried R. & Rajaei, Hossein & Sobczyk, Thomas', 14],
    ['Arnscheid, Wilfried R. & Sobczyk, Thomas', 17],
    ['Beaver, Ethan P.', 9],
    ['Hauser, E.', 40],
    ['Hättenschwiler, P.', 6],
    ['Lee, Dong-June & Lee, Jae-Seok & Kim, Jongwon & Lee, Hyeon', 6],
    ['Liston, Andrew D. & Knight, Guy T. & Sheppard, David A.', 62],
    ['Mbata, Keith J. & Prins, Jurate De', 7],
    ['Roh, Seung Jin & Banasiak, Grzegorz & Byun, Bong-Kyu', 14],
    ['Sobczyk, Thomas & Arnscheid, Wilfried R.', 18],
    ['Taeger, Andreas', 30],
    ['Taeger, Andreas & París, Mercedes & Nieves-Aldrey, Jose Luis', 21],
    ['Unnikrishnan, Usha Ayyath & Sobczyk, Thomas', 6],
    ['Weidlich, M.', 8],
    ['Weidlich, Michael', 92],
    ['Other (33)', 66]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=416)',
    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);