function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['El Yaagoubi, Sara & Vuataz, Laurent & El Alami, Majida', 1],
    ['Gattolliat, Jean-Luc & Hughes, Samantha J.', 2],
    ['Gattolliat, Jean-Luc & Samraoui, Boudjema & Benhadji, Nadhira', 4],
    ['Gattolliat, Jean-Luc & Sartori, Michel', 1],
    ['Godunko, Roman J. & Palatov, Dmitry M. & Martynov, Alexander V.', 1],
    ['Godunko, Roman J. & Soldan, Tomas & Staniczek, Arnold H.', 1],
    ['Kluge, Nikita & Srinivasan, Pandiarajan & Sivaruban, T.', 9],
    ['Kluge, Nikita J.', 1],
    ['Leach, William Elford', 1],
    ['Sartori, Michel & Bauernfeind, Ernst', 13],
    ['Sroka, Pavel & Godunko, Roman J. & Novikova, Eugenia A.', 3],
    ['Tiunova, Tatiana M. & Semenchenko, Alexander A.', 2],
    ['Webb, J. M. & Jacobus, Luke M. & Sullivan, S. P.', 4],
    ['Yanai, Zohar & Gattolliat, Jean-Luc & Dorchin, Netta', 7],
    ['Yanygina, L. V. & Potapova, N. K.', 4],
    ['Other (2)', 2]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=56)',
    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);