function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Almeida, Ana C. S. & Larré, Igor R. N. M. & Vieira, Leandro M.', 1],
    ['Denisenko, Nina V.', 6],
    ['Gerovasileiou, Vasilis & Rosso, Antonietta', 10],
    ['López De La Cuadra Car Los G Ar Cía Góm Ez, Los M.', 1],
    ['Martino, Emanuela Di & Taylor, Paul D.', 1],
    ['Ramalho, Laís V. & Calliari, Lauro', 1],
    ['Vieira, Leandro M & Gordon, Dennis P. & Souza, Facelucia B. C.', 1],
    ['Vieira, Leandro M. & Gordon, Dennis P. & Souza, Facelucia B. C.', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=22)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 8, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);