function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Costa, Dimitri de Araujo & Dolbeth, Marina & Prata, Jessica', 1],
    ['Gerdes, Klaas & Kihara, Terue Cristina & Martinez Arbizu, Pedro', 1],
    ['Madeira, Patrícia & Kroh, Andreas & Cordeiro, Ricardo', 1],
    ['O’Loughlin, Mark', 1],
    ['O’Loughlin, P Mark & Vandenspiegel, Didier', 1],
    ['O’Loughlin, P. Mark & VandenSpiegel, Didier', 1],
    ['Pawson, David L.', 1],
    ['Pawson, David L. & Pawson, Doris J. & King, Rachael A.', 1],
    ['Pawson, David L. & Vance, Doris J.', 2],
    ['THANDAR, AHMED S.', 2],
    ['Yamana, Yusuke & Tanaka, Hayato', 2]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=14)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 11, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);