function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Angulo, Arturo', 1],
    ['Batista-Silva, Valéria Flávia & Frota, Augusto', 1],
    ['Bertaco, Vinicius A. & Azevedo, Marco A.', 2],
    ['Chamon, Carine C. & Fichberg, Ilana', 1],
    ['Collins, Rupert A. & Duarte Ribeiro, Emanuell', 2],
    ['Costa-Silva, Guilherme José Da & Oliveira, Claudio', 1],
    ['De Oliveira, Rianne C. & Ota, Renata R. & Deprá, Gabriel C.', 1],
    ['Diniz, Paulo Baltazar & Siqueira, Hatus de Oliveira', 1],
    ['Fichberg, Ilana & Chamon, Carine C.', 1],
    ['Ingenito, Leonardo F. S. & Ghazzi, Miriam S. & Duboc, Luiz F.', 2],
    ['Isbrücker, I. J. H. & Nijssen, H.', 2],
    ['Mónica S. Rodríguez & Amalia M. Miquelarena', 16],
    ['Raphael Covain & Sonia Fisch-Muller', 2],
    ['Reis, Roberto E.', 2],
    ['Vera-Alcaraz, Héctor S. & Pavanelli, Carla S.', 4],
    ['Other (9)', 9]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=48)',
    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);