function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Bahia, Juliana & Padula, Vinicius & Delgado, Marlon', 1],
    ['Bahia, Juliana & Padula, Vinicius & Lavrado, Helena Passeri', 1],
    ['Bolaños, D. Marcela & Quiroga, Sigmer Y. & Litvaitis, Marian K.', 1],
    ['Brusa, Francisco & Damborenea, Cristina & Quiroga, Sigmer', 1],
    ['Bulnes, Verónica N. & Albano, Mariano J. & Obenat, Sandra M.', 2],
    ['Gammoudi, Mehrez & Ahmed, Raja Ben & Tekaya, Saïda', 1],
    ['Gammoudi, Mehrez & Garbouj, Myriam & Egger, Bernhard', 1],
    ['Jie, Wei-Ban & Kuo, Shih-Chieh & Mok, Hin-Kiu', 1],
    ['Khalili, Zahra & Rahimian, Hassan & Pazooki, Jamile', 1],
    ['Maghsoudlou, Abdolvahab & Rahimian, Hassan', 1],
    ['Norena, Carolina & Marquina, Daniel & Perez, Jacinto', 1],
    ['Noreña, Carolina', 1],
    ['Ramos-Sánchez, Mariela & Bahia, Juliana', 2],
    ['Rodríguez, Jorge & Hutchings, Pat A. & Williamson, Jane E.', 1],
    ['Velasquez, Ximena & Bolaños, D. Marcela & Benayahu, Yehuda', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=17)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 15, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);