function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Borkhanuddin, Muhammad Hafiz & Cech, Gábor & Molnár, Kálmán', 3],
    ['Carriero, Mateus M. & Adriano, Edson A. & Silva, Marcia R. M.', 1],
    ['Garg, Anupma & Chaudhary, Anshu & Gupta, Abhishek', 1],
    ['Laamiri, Sayef', 1],
    ['Lopes, Daniela A. & Gomes, Delir Correa & Knoff, Marcelo', 1],
    ['Mathews, Patrick D. & Mertins, Omar & Espinoza, Luis L.', 1],
    ['Nitta, Masato & Ishikawa, Takanori', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=9)',
    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);