function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Aistleitner, E.', 11],
    ['Aurivillius, Per Olof Christopher', 18],
    ['Dupont, Steen & Simonsen, Thomas J. & Zilli, Alberto', 6],
    ['Joshi, Rahul & Singh, Navneet & Ahmad, Jalil', 139],
    ['Komal, J. & Shashank, P. R. & Sondhi, Sanjay & Madan, Sohail', 7],
    ['Liston, Andrew D. & Knight, Guy T. & Sheppard, David A.', 24],
    ['Mbata, Keith J. & Prins, Jurate De', 80],
    ['Pohl, Greg & Anweiler, Gary & Schmidt, Christian', 4],
    ['Prozorov, Alexey M. & Prozorova, Tatiana A.', 13],
    ['Prozorov, Alexey M. & Prozorova, Tatiana A. & Spitsyn, Vitaly M.', 5],
    ['Prozorov, Alexey M. & Prozorova, Tatiana A. & Yakovlev, Roman V.', 7],
    ['Saldaitis, Aidas', 8],
    ['Speidel, Wolfgang & Hausmann, Axel & Müller, Günter C.', 4],
    ['Walker, Francis', 8],
    ['Zolotuhin, Vadim V. & Zahiri, Reza', 35],
    ['Other (22)', 35]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=404)',
    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);