function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Avila, Luciano Javier & Perez, Cristian Hernan Fulvio', 1],
    ['Avila, Luciano Javier & Pérez, Cristian Hernán Fulvio', 1],
    ['Corbalán, Valeria & Scolaro, Alejandro & Debandi, Guillermo', 1],
    ['Lobo, Fernando & Barrasso, Diego A. & Hibbard, Thomas', 1],
    ['Lobo, Fernando & Laspiur, Alejandro & Acosta, Juan Carlos', 2],
    ['Lobo, Fernando & Nenda, Santiago Javier', 2],
    ['Lobo, Fernando & Nenda, Santiago Javier & Slodki, Demian', 1],
    ['Marín, Andrea González & Pérez, Cristian Hernán Fulvio', 1],
    ['Pincheira-Donoso, Daniel & Scolaro, J. Alejandro & Sura, Piotr', 21],
    ['Scolaro, J. Alejandro & Jara, Manuel & Pincheira-Donoso, Daniel', 1],
    ['Scolaro, José Alejandro & Corvalán, Valeria', 1],
    ['Scolaro, José Alejandro & Cruz, Fausto Méndez De La', 1],
    ['Scolaro, José Alejandro & Ibargüengoytía, Nora Ruth', 3],
    ['Scolaro, José Alejandro & Pincheira-Donoso, Daniel', 2],
    ['Troncoso-Palacios, Jaime & Ferri-Yáñez, Francisco', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=40)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 15, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);