function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Bettcher, Larissa & Fernandez, Julio C. C. & Gastaldi, Marianela', 2],
    ['Bispo, André & Willenz, Philippe & Hajdu, Eduardo', 15],
    ['Cruz-Barraza, José Antonio & Carballo, José Luis', 3],
    ['Evcen, Alper & Çinar, Melih Ertan & Zengin, Mustafa', 2],
    ['Fassbender, Nico & Stefanoudis, Paris V', 4],
    ['Fromont, Jane & Abdo, David A.', 3],
    ['Göcke, Christian & Janussen, Dorte', 7],
    ['Kelly, Michelle & Rowden, Ashley A.', 5],
    ['Muricy, Guilherme & Esteves, Eduardo L. & Monteiro, Leandro C.', 3],
    ['Rützler, Klaus & Piantoni, Carla & Van, Rob W. M.', 9],
    ['Schejter, Laura & Cristobo, Javier & Ríos, Pilar', 4],
    ['Sim-Smith, Carina & Hickman, Cleveland & Kelly, Michelle', 5],
    ['Ugalde, Diana & Fernandez, Julio C. C. & Gómez, Patricia', 4],
    ['Van Soest, Rob W. M.', 14],
    ['Van, Rob W. M.', 3],
    ['Other (15)', 20]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=103)',
    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);