function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Cope, Edward Drinker', 1],
    ['García-Castillo, Mirna G. & Rovito, Sean M. & Wake, David B.', 1],
    ['García-Castillo, Mirna G. & Soto-Pozos, Ángel F.', 6],
    ['Lazcano, David & Nevárez-de, Manuel & García-Padilla, Elí', 1],
    ['Ramírez-Bautista, Aurelio & Hernández-Salinas, Uriel', 1],
    ['Rovito, Sean M. & Parra-Olea, Gabriela', 2],
    ['Torres-Hernández, Lizzeth A. & Ramírez-Bautista, Aurelio', 2]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=14)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 7, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);