function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Boxshall, Geoff A. & Bernot, James P. & Barton, Diane P.', 20],
    ['Diaz, Analía R. & Álvarez, Victor Hugo Merlo', 1],
    ['Ramdane, Zouhir & Trilles, Jean-Paul', 4],
    ['Soler-Jimenez, Lilia C. & Morales-Serna, F. Neptali', 1],
    ['Suárez-Morales, Eduardo & Reyes-Lizama, C. & Gonzalez Solis, D.', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=27)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 5, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);