function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Antonio, Ananda S. & Veiga-Junior, Valdir F.', 2],
    ['Bernardi, Luciano', 4],
    ['Flor, Ismael Cividini & Flor, Jandira Chachá Ribeiro', 1],
    ['Kottaimuthu, Ramalingam', 2],
    ['Maia, Valéria Cid & Mascarenhas, Bernardo', 3],
    ['Martinetto, Edoardo & Bertini, Adele & Mantzouka, Dimitra', 1],
    ['Molino, Jean-François & Sabatier, Daniel & Grenand, Pierre', 40],
    ['Moraes, Pedro Luís Rodrigues De', 2],
    ['Ramella, Lorenzo & Barriera, Gabrielle', 5],
    ['Smith, Sarah M. & Cognato, Anthony I.', 2],
    ['Werff, Henk Van Der', 39],
    ['Werff, Henk van der', 1],
    ['Zhou, Ya-Dong & Mwachala, Geoffrey & Hu, Guang-Wan', 1],
    ['de Moraes, P. L. R. & Cardoso, D. B. O. S. & Gregório, B. S.', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=104)',
    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);