function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Bastos-Pereira, Rafaela & Bueno, Alessandra Angélica De Pádua', 3],
    ['Cardoso, Giovanna Monticelli & Araujo, Paula Beatriz', 3],
    ['Gonza´lez, Exequiel R. & Watling, Les', 3],
    ['González, Exequiel R. & Watling, Les', 4],
    ['Graening, G. O. & Rogers, D. Christopher & Holsinger, John R.', 2],
    ['Marrón-Becerra, Aurora & Hermoso-Salazar, Ana Margarita', 2],
    ['Marrón-Becerra, Aurora & Hermoso-Salazar, Margarita', 10],
    ['Morgana Tais Streck & Giovanna Monticelli Cardoso', 2],
    ['Mussini, Giovanni & Stepan, Nicole D. & Vargas, Gersey', 2],
    ['Pugh, P. J. A. & Dartnall, H. J. G. & McInnes, S. J.', 2],
    ['Reis, Giovanna De Oliveira & Bueno, Alessandra Angélica De Pádua', 2],
    ['Rodrigues, Stella Gomes & Bueno, Alessandra Angélica De Pádua', 2],
    ['Rogers, D. Christopher & Cruz-Rivera, Edwin', 2],
    ['Santos, Ana Lucia Freitas Dos & Araujo, Paula Beatriz', 4],
    ['Talhaferro, Jordan Tuparai & Bueno, Alessandra Angélica De Pádua', 3],
    ['Other (21)', 21]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=67)',
    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);