function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Abo-Shnaf, Reham I. A. & De, Gilberto J.', 2],
    ['Argolo, Poliane Sá & Vital Santos, Renata M.', 1],
    ['Demite, Peterson R. & Lofego, Antonio C. & Feres, Reinaldo J. F.', 3],
    ['Faraji, Farid & Hoekstra, Paul H.', 2],
    ['Ferla, Noeli Juarez & Johann, Liana & Klock, Crisna', 3],
    ['Ferragut, Francisco & Navia, Denise', 2],
    ['Gonçalves, Dinarte & Silva, Guilherme Liberato Da', 1],
    ['Guanilo, Alberto Daniel & Moraes, Gilberto José De', 2],
    ['Liao, Jhih-Rong & Ho, Chyi-Chen & Ko, Chiun-Cheng', 1],
    ['Lofego, A. C. & De Moraes, G. J. & Castro, L. A. S.', 1],
    ['Nuvoloni, Felipe Micali & Lofego, Antonio Carlos', 1],
    ['Palevsky, Eric & Gal, Shira & Ueckermann, Edward A.', 2],
    ['Rezende, J. M. & Lofego, A. C.', 1],
    ['Trincado, R. D. & Martin, J. P. I. & Méndez Rosa, D. D.', 4],
    ['de Souza, Izabel Vieira & Sa Argolo, Poliane', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=27)',
    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);