function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Christoph Germann', 1],
    ['DE ALBUQUERQUE, EMÍLIA ZOPPAS & PRADO, LÍVIA PIRES DO', 1],
    ['Forel, A.', 2],
    ['Guénard, Benoit & Mccaffrey, Katherine A. & Lucky, Andrea', 1],
    ['Johnson, R. A. & Overson, R. P.', 1],
    ['Johnson, Robert A.', 38],
    ['Johnson, Robert A. & Cover, Stefan P.', 4],
    ['Johnson, Robert A. & Overson, Rick P. & Moreau, Corrie S.', 4],
    ['ROBERT A. JOHNSON & RICK P. OVERSON & CORRIE S. MOREAU', 3],
    ['Robert A. Johnson', 28],
    ['Ulysséa, Mônica Antunes & Prado, Lívia P.', 1],
    ['Ward, P. S.', 18],
    ['Wild, A. L.', 5],
    ['Wild, Alexander L.', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=108)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 14, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);