function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Aguado, Teresa & Martín, Guillermo San & Ten, Harry A.', 17],
    ['Barroso, Rômulo & Paiva, Paulo Cesar De', 2],
    ['Faulwetter, Sarah & Chatzigeorgiou, Georgios & Galil, Bella S.', 9],
    ['Faulwetter, Sarah & Simboura, Nomiki & Katsiaras, Nikolaos', 56],
    ['Gunton, Laetitia M. & Kupriyanova, Elena K. & Alvestad, Tom', 2],
    ['Langeneck, Joachim & Musco, Luigi & Busoni, Giulio', 4],
    ['Linero-Arana, Ildefonso & Diaz Diaz, Oscarn', 8],
    ['Martín, Guillermo San & Lucas, Yolanda & Hutchings, Pat', 18],
    ['Martín, Guillermo San & Álvarez-Campos, Patricia', 17],
    ['Martínez, María José & Martín, Guillermo San', 11],
    ['Rodríguez, Yolanda Lucas & Martín, Guillermo San & Fiege, Dieter', 11],
    ['Salcedo, Diana L.', 9],
    ['Sedick, Safiyya & Simon, Carol', 3],
    ['Soto, Eulogio H. & Martín, Guillermo San & Lucas, Yolanda', 3],
    ['Álvarez-Campos, Patricia & Riesgo, Ana & Hutchings, Pat', 8],
    ['Other (11)', 13]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=191)',
    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);