function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Boonzaaier-Davids, Melissa K. & Florence, Wayne K.', 1],
    ['Branch, M. L. & Hayward, P. J.', 1],
    ['Denisenko, Nina V.', 4],
    ['Figuerola, Blanca & Ballesteros, Manuel & Avila, Conxita', 3],
    ['Figuerola, Blanca & Gordon, Dennis P. & Cristobo, Javier', 3],
    ['Gerovasileiou, Vasilis & Rosso, Antonietta', 8],
    ['Gordon, Dennis P.', 1],
    ['Hayward, Peter J. & Winston, Judith E.', 2],
    ['López De La Cuadra Car Los G Ar Cía Góm Ez, Los M.', 1],
    ['Ramalho, Laís V. & López-Fé, Carlos M. & Rueda, José Luis', 3],
    ['Ramalho, Laís V. & Muricy, Guilherme & Taylor, Paul D.', 1],
    ['Ramalho, Laís V. & Rodríguez-Aporta, Raquel & Gofas, Serge', 1],
    ['Souto, Javier & Berning, Björn & Ostrovsky, Andrew N.', 1],
    ['Souto. J.', 2]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=32)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 14, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);