function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Andreone, F. & Glaw, F. & Nussbaum, R. A. & Raxworthy, C. J.', 3],
    ['Bates, Michael F. & Tolley, Krystal A. & Edwards, Shelley', 1],
    ['Ceríaco, L. M. P. & De Sá, S. & Bandeira, S. & Valério, H.', 2],
    ['Conradie, Werner & Branch, William R. & Watson, Gillian', 1],
    ['Marques, Mariana P. & Parrinha, Diogo & Lopes-Lima, Manuel', 3],
    ['Santos, Bruna S. & Marques, Mariana P. & Bauer, Aaron M.', 1],
    ['Segniagbeto, Gabriel Hoinsoude & Trape, Jean-François', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=12)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 7, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);