function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Carella, Mirco & Uriz, Maria J.', 10],
    ['Cárdenas, Paco & Rapp, Hans Tore & Klitgaard, Anne Birgitte', 8],
    ['Cárdenas, Paco & Vacelet, Jean & Chevaldonné, Pierre', 4],
    ['Dias, Alan & Kelly, Michelle & Pinheiro, Ulisses', 5],
    ['Diaz, Maria Cristina & Nuttall, Marissa & Pomponi, Shirley A.', 10],
    ['Fassbender, Nico & Stefanoudis, Paris V', 6],
    ['Fernandez, Julio C. C. & Rodriguez, Pablo R. D.', 8],
    ['Gómez, Patricia & Calderón-Gutiérrez, Fernando', 4],
    ['Manconi, Renata & Serusi, Annalisa', 18],
    ['Santodomingo, Nadiezhda & Becking, Leontine E.', 5],
    ['Schlacher-Hoenlinger, Monika A. & Pisera, Andrzej', 23],
    ['Sim-Smith, Carina & Hickman, Cleveland & Kelly, Michelle', 5],
    ['Ugalde, Diana & Fernandez, Julio C. C. & Gómez, Patricia', 10],
    ['Van Soest, Rob W. M.', 34],
    ['Van Soest, Rob W. M. & Beglinger, Elly J. & De Voogd, Nicole J.', 48],
    ['Other (22)', 44]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=242)',
    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);