function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Bahrami, Forough & Kazemi, Shahrooz', 1],
    ['Beaulieu, Frédéric & Déchêne, Andrea D. & Walter, David E.', 4],
    ['Bhattacharyya, A. K. & Sanyal, A. K. & Bhattacharya, T.', 2],
    ['De Moraes, Gilberto J. & Britto, Erika P. J.', 64],
    ['Faraji, F. & Dehelean, S. - B. & Vuyk, M. & Bakker, F.', 3],
    ['Halliday, R. B.', 1],
    ['Joharchi, Omid & Issakova, Aigerim K. & Asyamova, Olga S.', 2],
    ['Joharchi, Omid & Marchenko, Irina I. & Stanyukovich, Maria K.', 7],
    ['Karami, Fatemeh & Hajizadeh, Jalil & Ostovan, Hadi & I, Northern', 1],
    ['Kavianpour, Mohammadreza & Nemati, Alireza & Mohseni, Mastaneh', 2],
    ['Khalili-Moghadam, A. & Saboori, A.', 2],
    ['LIU, DONG & YI, TIAN-CI & XU, YUN & ZHANG, ZHI-QIANG', 2],
    ['Long, Yun & Jin, Dao-Chao & Guo, Jian-Jun & Yi, Tian-Ci', 3],
    ['Murvanidze, Maka & Mumladze, Levan & Todria, Nino', 1],
    ['Trach, V. A.', 8],
    ['Other (1)', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=104)',
    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);