function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Doġan, Salih', 70],
    ['Fajfer, Monika', 62],
    ['Huang, Kun-Wei & Wang, Chin-Fah', 56],
    ['Khaustov, Alexander A.', 65],
    ['Ma, Min & Li, Sheng-Cai & Fan, Qing-Hai', 67],
    ['Navia, Denise & Duarte, Mercia Elias & Flechtmann, Carlos H. W.', 86],
    ['Navia, Denise & Gondim, Manoel G. C. & De, Gilberto J.', 56],
    ['Nielsen, David H. & Robbins, Richard G. & Rueda, Leopoldo M.', 525],
    ['Skoracki, Maciej & Schmidt, Karl-Heinz & Marciniak, Natalia', 53],
    ['Song, Zi-Wei & Xue, Xiao-Feng & Hong, Xiao-Yue', 132],
    ['Stekolnikov, Alexandr A.', 1032],
    ['Stekolnikov, Alexandr A. & Saboori, Alireza & Shamsi, Mohsen', 79],
    ['Willmann, C.', 78],
    ['Xue, Xiao-Feng & Hong, Xiao-Yue', 58],
    ['Xue, Xiao-Feng & Song, Zi-Wei & Hong, Xiao-Yue', 76],
    ['Other (484)', 2454]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=4949)',
    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);