function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Aguado, Teresa & Martín, Guillermo San & Ten, Harry A.', 3],
    ['Brusa, Vivian S. & Aguado, M. Teresa & Martín, Guillermo San', 10],
    ['Faulwetter, Sarah & Simboura, Nomiki & Katsiaras, Nikolaos', 4],
    ['Fukuda, Marcelo V. & Nogueira, João M. M.', 4],
    ['Mikac, Barbara', 1],
    ['Paresque, Karla & Fukuda, Marcelo Veronesi', 4],
    ['Rodríguez, Yolanda Lucas & Martín, Guillermo San & Fiege, Dieter', 2],
    ['Salazar-Vallejo, Sergio I. & Carrera-Parra, Luis F.', 1],
    ['San Martin, G & Hutchings, PA', 4],
    ['Tasso, Vicente & El Haddad, Mustapha & Assadi, Carolina', 1],
    ['Çinar, Melih Ertan', 1],
    ['Çinar, Melih Ertan & Gambi, Maria Cristina', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=36)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 12, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);