function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Almeida, Alexandre Oliveira De & Guerrazzi, Maria Cec Lia', 2],
    ['Artal, Pedro & Van Bakel, Barry W. M. & Domínguez, José L.', 2],
    ['Castro, Peter', 7],
    ['Cleva, Régis & Guinot, Danièle & Albenga, Laurent', 9],
    ['Coelho, Petrônio Alves & Almeida, Alexandre Oliveira De', 5],
    ['Guinot, Danièle & Quenette, Gwenaël', 26],
    ['Guinot, Danièle & Tavares, Marcos', 10],
    ['In, First Published', 4],
    ['Mantelatto, Fernando L. & Tamburus, Ana Francisca', 4],
    ['McLay, Colin L. & Ng, Peter K. L.', 6],
    ['Mclay, Colin L.', 15],
    ['Mclay, Colin L. & Hosie, Andrew M.', 28],
    ['Mclay, Colin L. & Ng, Peter K. L.', 13],
    ['Naruse, Tohru', 11],
    ['Published, First', 6],
    ['Other (17)', 20]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=168)',
    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);