function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Coelho, Petrônio Alves & Almeida, Alexandre Oliveira De', 1],
    ['Dana, James Dwight', 1],
    ['Devi, S. Suvarna & Mendoza, Jose C. E. & Ravinesh, R.', 1],
    ['Flores, Augusto A. V. & Paula, José & Dray, Tiago', 1],
    ['Guinot, Danièle & Ng, Ngan Kee & Rodríguez Moreno, Paula A.', 2],
    ['Lagare, Nickel Jean S. & Mapi-Ot, Emmarie F. & Molina, Ziljih S.', 1],
    ['Latreille, Pierre André', 1],
    ['Low, Martyn E. Y. & Ng, Peter K. L. & Clark, Paul F.', 1],
    ['Mantelatto, Fernando L. & Tamburus, Ana Francisca', 1],
    ['Ng, Ngan Kee & Rodríguez Moreno, Paula A. & Naruse, Tohru', 1],
    ['Parasram, Nadeshinie & Santana, William & Vallès, Henri', 1],
    ['Rogers, D. Christopher & Cruz-Rivera, Edwin', 1],
    ['Vázquez-López, Horacio & Cházaro-Olvera, Sergio', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=14)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 13, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);