function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Acosta, Roxana', 3],
    ['Beatriz & Salceda-Sánchez & Hastriter, Michael W.', 7],
    ['Berrizbeitia, M. Fernanda Lopez & Sanchez, R. Tatiana', 2],
    ['Bouche, P. F.', 1],
    ['Hastriter, Michael', 5],
    ['Jordan, Heinrich Ernst Karl', 1],
    ['Keskin, Adem & Hastriter, Michael W. & Beaucournu, Jean-Claude', 10],
    ['Kitrytė, Neringa & Baltrūnaitė, Laima', 5],
    ['Kutzscher, Christian & Weber, Dieter', 1],
    ['Lareschi, Marcela & Sanchez, Juliana & Autino, Analía', 4],
    ['Linnaeus, Carolus', 3],
    ['Meurgey, François & Ramage, Thibault', 1],
    ['Perrichot, Vincent & Beaucournu, Jean-Claude & Velten, Jürgen', 2],
    ['Reeves, Will K. & Durden, Lance A. & Ritzi, Christopher M.', 3],
    ['Sanchez, Juliana Patricia & Ezquiaga, María Cecilia', 2],
    ['Other (5)', 5]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=55)',
    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);