function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Al-Kandari, Manal & Oliver, P. Graham & Salvi, Daniele', 2],
    ['Araya, Juan Francisco', 1],
    ['BOYD, DONALD W. & NEWELL, NORMAN D.', 2],
    ['DeVries, Thomas J.', 4],
    ['Ferreira, João Paulo Ramos & Legat, Angela Puchnick', 3],
    ['Fuersich, Franz T. & Alberti, Matthias & Pandey, Dhirendra K.', 3],
    ['Hickman, Carole S.', 4],
    ['Koppka, Jens', 4],
    ['Lam, Katherine & Morton, Brian', 6],
    ['Lam, Katherine & Morton, Brian & Leung, K. F.', 5],
    ['Mariottini, Paolo & Smriglio, Carlo & Oliverio, Marco', 5],
    ['Oliver, P. Graham & Holmes, Anna & Killeen, Ian & Light, Janice', 12],
    ['Pacaud, Jean-Michel', 4],
    ['Raines, Bret & Huber, Markus', 10],
    ['Tëmkin, Ilya', 19],
    ['Other (8)', 8]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=92)',
    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);