function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Allen, J. A.', 43],
    ['Appolloni, Massimo & Smriglio, Carlo & Amati, Bruno', 1],
    ['Fuersich, Franz T. & Alberti, Matthias & Pandey, Dhirendra K.', 5],
    ['Hickman, Carole S.', 4],
    ['Hryniewicz, Krzysztof & Little, Crispin T. S.', 2],
    ['Mariottini, Paolo & Smriglio, Carlo & Oliverio, Marco', 3],
    ['Mikkelsen, Paula M. & Bieler, Rüdiger', 3],
    ['Negri, Mauro Pietro & Corselli, Cesare', 3],
    ['Oliveira, Cléo Dilnei De Castro & Absalão, Ricardo Silva', 8],
    ['Oliver, P. Graham & Holmes, Anna', 3],
    ['Oliver, P. Graham & Holmes, Anna & Killeen, Ian & Light, Janice', 3],
    ['Ortega, José Rafael & Gofas, Serge', 5],
    ['Raines, Bret & Huber, Markus', 9],
    ['Saether, Kristian P. & Jingeng, Sha & Little, Crispin T. S.', 2],
    ['Smith, Edgar A.', 5],
    ['Other (9)', 9]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=108)',
    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);