function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Breedy, Odalisca & Guzman, Hector M.', 4],
    ['Castro, C. B. & Medeiros, M. S. & Loiola, L. L.', 7],
    ['Devictor, Susan T. & Morton, Steve L.', 7],
    ['Hernandez, Osvaldo & Gomez-Gutierrez, Jaime & Sanchez, Carlos', 3],
    ['Horvath, Elizabeth Anne', 6],
    ['Olvera, Ursula & Hernández, Osvaldo & Sánchez, Carlos', 1],
    ['Published, First', 8],
    ['Ramvilas, Ghosh & Alderslade, Philip & Ranjeet, Kutty', 2],
    ['Soler-Hurtado, María Del Mar & Megina, César & Machordom, A.', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=39)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 9, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);