function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Calabon, Mark S. & Jones, E. B. Gareth & Pang, Ka-Lai', 4],
    ['Cedeno-Sanchez, Marjorie & Charria-Giron, Esteban', 4],
    ['Costa, Pricila P. & Rosado, André W. C. & Pereira, Olinto L.', 6],
    ['Dayarathne, Monika C. & Wanasinghe, Dhanushka N. & Devadatha, B.', 18],
    ['Han, Li-Su & Wijayawardene, Nalin N. & Liu, Chao & Han, Li-Hong', 5],
    ['Li, Qi Rui & Zhang, Xu & Lin, Yan & Samarakoon, Milan C.', 5],
    ['Long, Sihan & Liu, Lili & Pi, Yinhui & Wu, Youpeng & Lin, Yan', 16],
    ['Mantilleri, Antoine & Bartolozzi, Luca & Sforzi, Alessandra', 7],
    ['Pi, Yin Hui & Long, Si Han & Wu, You Peng & Liu, Li Li', 8],
    ['Pintos, Angel & Alvarado, Pablo & Planas, Juan & Jarling, Rene', 12],
    ['Pourmoghaddam, Mohammad Javad & Lambert, Christopher', 7],
    ['Vasilyeva, Larissa & Ma, Haixia', 12],
    ['Wang, Mei & Tan, Xiao-Ming & Liu, Fang & Cai, Lei', 8],
    ['Wijayawardene, Nalin N. & Dai, Dong-Qin & Premarathne, Bhagya M.', 31],
    ['Wu, You-Peng & Pi, Yin-Hui & Long, Si-Han & Lin, Yan', 5],
    ['Other (34)', 72]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=220)',
    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);