function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Andersen, Trond & Saether, Ole A. & Mendes, Humberto F.', 26],
    ['Boggero, Angela & Zaupa, Silvia & Boggero, Angela', 1],
    ['Chamutiová, Tímea & Hamerlík, Ladislav & Bitušík, Peter', 1],
    ['Epler, John H.', 1],
    ['Ferrington Jr, Leonard C. & Saether, Ole A.', 118],
    ['Langton, Peter H. & Syrovátka, Vít', 1],
    ['Mauad, Melina & Siri, Augusto & Donato, Mariano', 3],
    ['Mukherjee, Tuhar & Som, Dipak Kumar & Hazra, Niladri', 3],
    ['Rogers, D. Christopher & Cruz-Rivera, Edwin', 1],
    ['Saether, Ole A.', 7],
    ['Tasdemir, Ayse & Akyildiz, Gurcay Kivanc', 10]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=172)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 11, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);