function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Aistleitner, E.', 22],
    ['Aistleitner, Eyjolf', 49],
    ['Bivar-De-Sousa, António & Vasconcelos, Sasha & Mendes, Luís F.', 67],
    ['Bonelli, Simona & Barbero, Francesca & Casacci, Luca Pietro', 29],
    ['Bálint, Zsolt & Boyer, Pierre & Cerdeña, José', 17],
    ['Cock, Matthew J. W. & Robbins, Robert K.', 33],
    ['Dias, Fernando Maia Silva & Dolibaina, Diego Rodrigo', 24],
    ['Dolibaina, Diego Rodrigo & Dias, Fernando Maia Silva', 28],
    ['Faynel, Christophe & Busby, Robert C. & Robbins, Robert K.', 28],
    ['Irungbam, Jatishwor Singh & Meitei, Laishram Ricky', 241],
    ['Khudhur, Farhad A.', 20],
    ['Lamas, Gerardo', 23],
    ['Munguira, Miguel L. & Martín, José & García-Barros, Enrique', 25],
    ['Xian, Chunlan & Leong, Chi Man & Luo, Jiuyang & Jia, Fenglong', 27],
    ['Zahiri, Reza & Nazari, Vazrick & Rajaei, Hossein', 35],
    ['Other (159)', 490]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=1158)',
    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);