function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Bastida-Zavala, J. Rolando & Buelna, Alondra Sofía Rodríguez', 1],
    ['Capa, María & Murray, Anna', 12],
    ['Faulwetter, Sarah & Simboura, Nomiki & Katsiaras, Nikolaos', 6],
    ['Garcia-Garza, Maria Elena & de Leon-Gonzalez, Jesus Angel', 1],
    ['Lee, Aria L. & Capa, María & Dafforn, Katherine A.', 2],
    ['Mikac, Barbara', 1],
    ['Tasso, Vicente & El Haddad, Mustapha & Assadi, Carolina', 1],
    ['Tovar-Hernandez, Maria Ana & Harris, Leslie H.', 1],
    ['Tovar-Hernández, María Ana & León-González, Jesús Ángel De', 3],
    ['Yanez-Rivera, Beatriz & Tovar-Hernandez, Maria Ana', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=29)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 10, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);