function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Berghe, Eric Den', 9],
    ['Butler, Arthur Gardiner', 1],
    ['Gonzalez, Jorge M. & Domagala, Pawel J.', 9],
    ['González, Jorge M. & Cock, Matthew J. W.', 11],
    ['González, Jorge M. & López, Bernardo', 2],
    ['González, Jorge M. & Thöny, Hubert & Worthy, Robert', 3],
    ['Hübner, Jacob', 2],
    ['Kallies, Axel & Edwards, Edward D. & Williams, Andrew A. E.', 13],
    ['Lamas, Gerardo', 9],
    ['Moraes, Simeão De Souza & Duarte, Marcelo', 16],
    ['Moraes, Simeão S. & Duarte, Marcelo & González, Jorge M.', 3],
    ['Moraes, Simeão S. & Duarte, Marcelo & Miller, Jacqueline Y.', 3],
    ['Ríos, Sergio D. & González, Jorge M.', 16],
    ['Worthy, Robert & González, Jorge M. & Ríos, Sergio D.', 4],
    ['Worthy, Robert & González, Jorge M. & Zilli, Alberto', 23],
    ['Other (9)', 9]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=133)',
    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);