function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Barahona-Segovia, Rodrigo M. & Riera, Pamela', 4],
    ['Kikuchi, Izai Alberto Bruno Sabino & Tsukaya, Hirokazu', 1],
    ['MAZáNEK, Libor & VONIČKA, Pavel & PREISLER, JiřÍ', 1],
    ['Meigen, Johann Wilhelm', 1],
    ['Ormerod, Paul & Kurzweil, Hubert & Watthana, Santi', 3],
    ['Samin, Najmeh & Sakenin, Hamid', 1],
    ['Vega, Hermes & Cetzal-Ix, William & Mó, Edgar', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=12)',
    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);