function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Albano, Paolo G. & Schnedl, Sara-Maria & Eschner, Anita', 1],
    ['Chino, M', 1],
    ['Chino, M & Stahlschmidt, Peter', 4],
    ['Fallon, Phillip J.', 150],
    ['Gray, John Edward', 1],
    ['Kilburn, Richard N. & Fedosov, Alexander & Kantor, Yuri', 25],
    ['Kilburn, Richard N. & Stahlschmidt, P.', 2],
    ['Morassi, Mauro & Bonfitto, Antonio', 3],
    ['Nappo, Andrea & Rey, Xabier & Pellegrini, Daniel', 5],
    ['Ortega, José Rafael & Gofas, Serge', 2],
    ['Pease, W. H.', 1],
    ['Poppe, Guido & Tagaro, Sheila & Goto, Yoshihiro', 4],
    ['Sacchetti, Claudia & Landau, Bernard & Ávila, Sérgio P.', 2],
    ['Stahlschmidt, Peter & Poppe, Guido & Tagaro, Sheila', 6],
    ['Woodring, Wendell P.', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=208)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 15, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);