function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Evenhuis, Neal L. & O’Hara, James E. & Pape, Thomas', 1],
    ['Harbach, Ralph E.', 1],
    ['Naranjo-Diaz, Nelson & Suaza-Vasco, Juan & Pineda-Angel, Jacobo', 14],
    ['Nascimento-Pereira, Agostinho C.', 4],
    ['Neves, Maycon Sebastião Alberto Santos', 28],
    ['Rozo-Lopez, Paula & Mengual, Ximo', 24],
    ['Stein, Marina & Alvarez, Carla N. & Alonso, Ana C.', 2],
    ['Stein, Marina & Bangher, Debora N.', 1],
    ['Talaga, Stanislas & Gantier, Jean-Charles & Girod, Romain', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=76)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 9, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);