function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Aguiar, Aline & Morais, Drausio Honorio', 2],
    ['Arabuli, Lela & Murvanidze, Lali & Faltynkova, Anna', 1],
    ['Bravo-Hollis, Margarita', 1],
    ['Bursey, Charles R. & Rizvi, Anjum N. & Maity, Pallab', 1],
    ['Campião, Karla Magalhães & Morais, Drausio Honorio', 11],
    ['Chin, T. - h.', 1],
    ['Ingles, Lloyd G.', 1],
    ['Mata-López, Rosario', 1],
    ['Meskal, F. H.', 1],
    ['Olsen, Oliver Wilford', 1],
    ['Paredes-León, Ricardo & García-Prieto, Luis', 7],
    ['Pereira, C. & Cuocolo, R.', 1],
    ['Pigulewsky, S. W.', 2],
    ['Rankin, John S.', 2],
    ['Xue, Xiao-Feng & Song, Zi-Wei & Hong, Xiao-Yue', 4],
    ['Other (5)', 5]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=42)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 16, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);