function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Campbell, Ronald A.', 1],
    ['Cowie, Robert H. & Héros, Virginie', 44],
    ['Ekiz, Ali Nafiz & Şen, İsmail & Aslan, Ebru Gül & Gök, Ali', 1],
    ['Eliwa, Duaa & Albadry, Mohamed A. & Ibrahim, Abdel-Rahim S.', 2],
    ['Gaevskaya, A. V. & Rodyuk, G. N.', 1],
    ['Marin-Felix, Yasmina & Guarro, Josep & ano-Lira, Jose F.', 67],
    ['Petitpierre, Eduard & Sacarés, Antoni & Jurado-Rivera, José A.', 1],
    ['Wijayawardene, Nalin N. & Dai, Dong-Qin & Premarathne, Bhagya M.', 2]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=119)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 8, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);