function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['André, E.', 1],
    ['Aria, Cédric & Perrichot, Vincent & Nel, André', 1],
    ['Brown, W. L.', 3],
    ['DE ALBUQUERQUE, EMÍLIA ZOPPAS & PRADO, LÍVIA PIRES DO', 2],
    ['Emery, C.', 2],
    ['Forel, A.', 11],
    ['Jaitrong, Weeyawat & Xu, Zhenghui & Khachonpisitsak, Salinee', 3],
    ['Jimoh, Bunmi Omowumi & Gomez, Kiko & Kemabonta, Kehinde Abike', 4],
    ['Mayr, G.', 3],
    ['Phengsi, Natthaporn & Jaitrong, Weeyawat', 2],
    ['Radchenko, Alexander G. & Fisher, Brian L. & Esteves, Flavia A.', 3],
    ['Santschi, F.', 5],
    ['Schmidt, C. A. & Shattuck, S. O.', 2],
    ['Wheeler, W. M.', 3],
    ['Wild, A. L.', 2],
    ['Other (6)', 6]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=53)',
    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);