function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Biseswar, Ramlall', 37],
    ['Costa, Dimitri de Araujo & Dolbeth, Marina & Prata, Jessica', 2],
    ['Gunton, Laetitia M. & Kupriyanova, Elena K. & Alvestad, Tom', 4],
    ['Nishikawa, Teruaki & Arase, Ikue', 2],
    ['Saiz-Salinas, J. I.', 2],
    ['Tanaka, Masaatsu', 3],
    ['Tanaka, Masaatsu & Nishikawa, Teruaki', 1],
    ['Vargas, Rita & Kawauchi, Gisele Y.', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=52)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 8, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);