function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Martins, Luciana', 5],
    ['Martins, Luciana & Tavares, Marcos', 4],
    ['Mezali, Karim & Thandar, Ahmed S. & Khodja, Ihcene', 4],
    ['Mjobo, Sifiso & Thandar, Ahmed S.', 3],
    ['O\'Loughlin, P. Mark & Eichler, John & Altoff, Leon', 6],
    ['O’Loughlin, Mark', 8],
    ['O’Loughlin, Mark & Manjón-Cabeza, Eugenia & Ruiz, Francina Moya', 8],
    ['O’Loughlin, P. Mark', 6],
    ['O’Loughlin, P. Mark & Harding 1, Caroline & Paulay, Gustav', 15],
    ['Pawson, David L. & Pawson, Doris J. & King, Rachael A.', 9],
    ['Prata, Jéssica & Manso, Cynthia Lara De Castro', 8],
    ['Thandar, Ahmed S.', 32],
    ['Thandar, Ahmed S. & Zettler, Michael L. & Arumugam, Preyan', 13],
    ['Théel, Hjalmar', 18],
    ['Yamana, Yusuke & Kohtsuka, Hisanori', 5],
    ['Other (20)', 37]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=181)',
    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);