function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Alvani, Somaye & Mahdikhani-Moghadam, Esmat & Rouhani, Hamid', 36],
    ['Azizi, Kourosh & Eskandari, Ali & Karegar, Akbar & Ghaderi, Reza', 6],
    ['Bohra, Padma', 10],
    ['Davies, Kerrie & Giblin-Davis, Robin & Ye, Weimin & Taylor, Gary', 7],
    ['Davies, Kerrie A. & Bartholomaeus, Faerlie', 5],
    ['Davies, Kerrie A. & Giblin-Davis, Robin M. & Ye, Weimin', 17],
    ['Davies, Kerrie A. & Ye, Weimin & Giblin-Davis, Robin M.', 10],
    ['Davies, Kerrie A. & Ye, Weimin & Taylor, Gary S.', 6],
    ['Ghaderi, Reza & Karegar, Akbar', 5],
    ['Ghaderi, Reza & Karegar, Akbar & Miraeiz, Esmaeil', 46],
    ['Hashemi, Kobra & Karegar, Akbar', 17],
    ['Rashidifard, Milad & Fourie, Hendrika & Daneel, Mieke Stefanie', 4],
    ['Subbotin, Sergei A. & Chitambar, John J. & Chizhov, Vlamidir N.', 8],
    ['Wouts, W. M.', 16],
    ['Zeng, Yongsan & Ye, Weimin & Tredway, Lane & Martin, Samuel', 19],
    ['Other (54)', 80]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=292)',
    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);