function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Aguilar, Jean-Pierre & Michaux, Jacques & Bertrand, Aunay', 3],
    ['Güleç, Erksin Savaş & Sevim, Ayla & Pehlevan, Cesur', 1],
    ['Hír, János & Kókay, József', 1],
    ['Maridet, Olivier & Hugueney, Marguerite & Heissig, Kurt', 6],
    ['Tomida, Yukimitsu', 1],
    ['Vianey-Liaud, Monique & Comte, Bernard & Marandat, Bernard', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=13)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 6, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);