function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Bispo, André & Willenz, Philippe & Hajdu, Eduardo', 18],
    ['Cruz-Barraza, José Antonio & Carballo, José Luis', 3],
    ['Evcen, Alper & Çinar, Melih Ertan & Zengin, Mustafa', 3],
    ['Göcke, Christian & Janussen, Dorte', 12],
    ['Kelly, Michelle & Rowden, Ashley A.', 6],
    ['Lehnert, Helmut & Stone, Robert P.', 5],
    ['Muricy, Guilherme & Esteves, Eduardo L. & Monteiro, Leandro C.', 6],
    ['Rützler, Klaus & Piantoni, Carla & Van, Rob W. M.', 9],
    ['Schejter, Laura & Cristobo, Javier & Ríos, Pilar', 4],
    ['Sim-Smith, Carina & Hickman, Cleveland & Kelly, Michelle', 7],
    ['Topsent, Émile', 8],
    ['Ugalde, Diana & Fernandez, Julio C. C. & Gómez, Patricia', 6],
    ['Van Soest, Rob W. M.', 39],
    ['Van, Rob W. M.', 4],
    ['Vicente, Jan & Zea, Sven & Hill, Russell T.', 4],
    ['Other (24)', 33]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=167)',
    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);