function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Arias, Diomedes Quintero & Esposito, Lauren A.', 1],
    ['Goodman, Aaron M. & Prendini, Lorenzo & Francke, Oscar F.', 10],
    ['Lauren A. Esposito & Humberto Y. Yamaguti & Cláudio A. Souza', 2],
    ['Martín-Frías, Eliézer & de Armas, Luis F.', 1],
    ['Quijano-Ravell, Ana F. & Armas, Luis F. de & Francke, Oscar F.', 1],
    ['Santibáñez-López, Carlos E. & Contreras-Félix, Gerardo A.', 3],
    ['Teruel, Rolando & Madden, Hannah', 1],
    ['Teruel, Rolando & Myers, Brandon', 2],
    ['Teruel, Rolando & Roncallo, César A.', 1],
    ['Teruel, Rolando & de Armas, Luis F. & Kovařík, František', 1],
    ['Trujillo, Rony E. & de Armas, Luis F.', 1],
    ['de Armas, Luis F.', 6],
    ['de Armas, Luis F. & Teruel, Rolando', 1],
    ['de Armas, Luis F. & Trujillo, Rony E.', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=32)',
    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);