function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Abdul-Salam, J. & Sreelatha, B. S.', 1],
    ['Ariola, V.', 2],
    ['Dollfus, R. P.', 1],
    ['Guiart, J.', 2],
    ['Hussain, S. A. & Hanumantha Rao, K. & Shyamasundari, K.', 3],
    ['Ishii, N.', 6],
    ['Job, S. V.', 2],
    ['Kamegai, Shunya & Araki, Jun', 1],
    ['Kohn, Anna & Justo, Márcia C. N.', 1],
    ['Ku, Chang-tung & Shen, J. - w.', 1],
    ['Lopes, Daniela A. & Mainenti, Adriana & Knoff, Marcelo', 1],
    ['Nigrelli, R. F.', 1],
    ['Nikolaeva, V. M. & Dubina, V. P.', 2],
    ['Yamaguti, S.', 17]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=41)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 14, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);