function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Argolo, Poliane Sá & Vital Santos, Renata M.', 1],
    ['De Moraes, Gilberto J. & Zannou, Ignace D.', 7],
    ['Demite, Peterson R. & Lofego, Antonio C. & Feres, Reinaldo J. F.', 1],
    ['Fang, Xiao-Duan & Li, Jun & Wu, Wei-Nan', 1],
    ['Gonçalves, Dinarte & Silva, Guilherme Liberato Da', 2],
    ['LIU, DONG & YI, TIAN-CI & XU, YUN & ZHANG, ZHI-QIANG', 1],
    ['Lofego, Antonio Carlos & Barbosa, Marina Ferraz De Camargo', 3],
    ['Ma, Min & Fan, Qing-Hai & Zhang, Zhi-Qiang', 2],
    ['Nuvoloni, Felipe Micali & Lofego, Antonio Carlos', 1],
    ['Oliveira, Daniel C. & Charanasri, Vatana & Kongchuensin, Manita', 2],
    ['de Souza, Izabel Vieira & Sa Argolo, Poliane', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=22)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 11, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);