function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Beyarslan, A. & Yurtcan, M. & Çetin, Ö. & Aydogdu, M.', 1],
    ['Broad, Gavin R.', 48],
    ['Eroğlu, F. & Kiraç, A. & Birol, O.', 1],
    ['Gadallah, N. S. & Ahmed, R. S. & Heneidy, A. H. El-', 2],
    ['Ghahari, H. & Schwarz, M.', 3],
    ['Kolarov, J.', 20],
    ['Konishi, Kazuhiko', 15],
    ['Konishi, Kazuhiko & Chen, Hsuan-Pu & Pham, Nhi Thi', 4],
    ['M. F & Kirtay, H. & Birol, O.', 2],
    ['Pham, Nhi Thi & Chen, Hsuan-Pu & Konishi, Kazuhiko', 3],
    ['Riedel & Pénigot & Schwarz & Diller & Johansson & Japoshvili, G.', 20],
    ['Riedel, Matthias & Ameri, Ali & Talebi, Ali Asghar', 4],
    ['Riedel, Matthias & Diller, Erich & Japoshvili, George', 7],
    ['Rousse, Pascal & Villemant, Claire', 3],
    ['Yurtcan, M. & Kolarov, J. & Beyarslan, A.', 6],
    ['Other (3)', 3]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=142)',
    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);