function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Appolloni, Massimo & Smriglio, Carlo & Amati, Bruno', 3],
    ['Bieler, Rüdiger', 22],
    ['Bieler, Rüdiger & Merrill, Arthur S. & Boss, K. J.', 1],
    ['Cavallari, Daniel & Salvador, Rodrigo Brincalepe', 1],
    ['Cavallari, Daniel C. & Dornellas, Ana Paula S.', 2],
    ['Dall, William Healey', 1],
    ['Hansen, Thomas', 6],
    ['Harzhauser, Mathias & Landau, Bernard', 23],
    ['Janssen, Ronald & von der Hocht, Fritz', 1],
    ['Jirapatrasilp, Parin & Cuny, Gilles & Kocsis, László', 1],
    ['Moore, Charles', 1],
    ['Negri, Mauro Pietro & Corselli, Cesare', 5],
    ['Ortega, José Rafael & Gofas, Serge', 2],
    ['Röding, Peter Friedrich', 2],
    ['Sacchetti, Claudia & Landau, Bernard & Ávila, Sérgio P.', 2],
    ['Other (2)', 2]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=75)',
    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);