function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Bui, Hoa Thi Quynh & Tran, Ngat Thi & Bozdoğan, Hakan', 5],
    ['Carpenter, James M. & Brown, Graham R.', 23],
    ['Carpenter, James M. & Gadallah, Neveen S.', 3],
    ['Dorji, Phurpa & Nidup, Tshering & Klein, Wim & Dorji, Cheten', 9],
    ['Gawas, Sandesh M. & Kumar, Girish & Pannure, Arati', 28],
    ['Gawas, Sandesh M. & Kumar, P. Girish & Gupta, Ankita', 6],
    ['Gudin, Filipe Macedo', 17],
    ['Gusenleitner, J.', 16],
    ['Handru, Alan & Nugroho, Hari & Saito-Morooka, Fuki', 10],
    ['J. M & Madl, M.', 25],
    ['Kojima, Jun-Ichi & Saito, Fuki & Nguyen, Lien Thi Phuong', 4],
    ['Rafi, Muhammad Ather & Carpenter Muhammad Qasim, James M.', 7],
    ['Sheikh, Altaf Hussain & Kumar, P. Girish & Thomas, Moni', 3],
    ['Siddiqui, Junaid Ali & Bodlah, Imran & Carpenter, James M.', 3],
    ['Tan, Jiang-Li & Van Achterberg, Kees & Chen, Xue-Xin', 22],
    ['Other (7)', 10]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=191)',
    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);