function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Bartalucci, M. Boni', 11],
    ['Boni, M.', 80],
    ['Boni, M. & O, Tiphia', 15],
    ['Brown, G. R.', 28],
    ['Brown, Graham', 24],
    ['Carnimeo, Fernando Henrique & Noll, Fernando Barbosa', 19],
    ['Gadallah, Neveen S. & Brothers, Denis J.', 22],
    ['Han, Qian & Chen, Bin & Li, Ting-Jing', 12],
    ['Han, Qian & Wang, He-Sheng & Chen, Bin & Li, Ting-Jing', 22],
    ['Hanima, Raveendran K. P. & Kumar, Girish & Hegde, Vishwanath D.', 43],
    ['Kimsey, Lynn S.', 42],
    ['Kimsey, Lynn S. & Wasbauer, Marius S.', 18],
    ['Liao, Xiang-Ping & Chen, Bin & Li, Ting-Jing', 15],
    ['Narita, Keisuke & Mita, Toshiharu', 13],
    ['Yildirim, E. & B, M.', 18],
    ['Other (24)', 73]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=455)',
    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);