function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Arumugam-Moonilal, Preyan & Thandar, Ahmed S.', 2],
    ['Madeira, Patrícia & Kroh, Andreas & Cordeiro, Ricardo', 1],
    ['Martins, Luciana & Marques, Alexandre Oliveira', 2],
    ['Martins, Luciana & Tavares, Marcos', 3],
    ['O’Loughlin, P. Mark & Harding 1, Caroline & Paulay, Gustav', 2],
    ['Pawson, David L. & Pawson, Doris J. & King, Rachael A.', 4],
    ['Prata, Jéssica & Manso, Cynthia Lara De Castro', 6],
    ['Thandar, Ahmed S.', 16],
    ['Thandar, Ahmed S. & Rambaran, Ryan', 1],
    ['Théel, Hjalmar', 3],
    ['Yamana, Yusuke & Hirai, Atsushi & Hirashima, Kentarou', 1],
    ['Yamana, Yusuke & Nakaguchi, Kazumitsu & Yamaguchi, Shuhei', 4]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=45)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 12, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);