function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Bunwong, Sukhonthip & Chantaranothai, Pranom', 20],
    ['Chen, Ronglian & Zhang, Faqi & Chen, Shilong & Chi, Xiaofeng', 27],
    ['Fei, Wen-Qun & Yuan, Qiong & Yang, Qin-Er', 4],
    ['Ickert-Bond, Stefanie M. & Wen, Jun', 16],
    ['Jarvis, Charlie', 4],
    ['Lee, Jong-Won & Yun, Ho-Geun & Hwang, Tae Young & Kim, Kyungmin', 50],
    ['Monro, Alex K.', 8],
    ['Noel, Gregoire & Bonnet, Julie & Everaerts, Sylvain', 12],
    ['Novikov, Andriy', 6],
    ['Rigo, Attila & Malatinszky, Akos & Barina, Zoltan', 21],
    ['Sosef, Marc S. M. & Dauby, Gilles', 8],
    ['Verloove, Filip', 19],
    ['Wagner, Warren L. & Clark, John R. & Lorence, David H.', 10],
    ['Wagner, Warren L. & Krakos, Kyra N. & Hoch, Peter C.', 13],
    ['Wagner, Warren L. & Wagner, Anthony J. & Lorence, David H.', 11],
    ['Other (43)', 69]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=298)',
    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);