function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Casale, Achille & Grafitti, Giuseppe & Latella, Leonardo', 28],
    ['Gnaspini, Pedro & Peck, Stewart B.', 37],
    ['Hoshina, Hideto', 50],
    ['MILLER, KELLY B. & WHEELER, QUENTIN D.', 68],
    ['Majka, Christopher & Langor, David', 58],
    ['Nitzu, Eugen', 70],
    ['Peck, Stewart B. & Cook, Joyce', 249],
    ['Peck, Stewart B. & Gnaspini, Pedro & Newton, Alfred F.', 661],
    ['Peck, Stewart B. & Newton, Alfred F.', 64],
    ['Perreau, Michel & Ghahari, Hassan & Angelini, Fernando', 80],
    ['Schilthuizen, Menno & Perreau, Michel & Njunjic, Iva', 35],
    ['Seago, Ainsley E.', 24],
    ['Wang, Cheng-Bin & Zhou, Hong-Zhang', 28],
    ['Čeplík, Dávid', 58],
    ['Čeplík, Dávid & Lakota, Ján & Čeplík, Jaroslav', 20],
    ['Other (119)', 415]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=1945)',
    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);