function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Almeida-Silva, Diego & Silva-Soares, Thiago', 1],
    ['Berneck, Bianca V. M. & Targino, Mariane', 2],
    ['Caramaschi, Ulisses & Canedo, Clarissa', 1],
    ['Condez, Thais Helena & Monteiro, Juliane Petry De Carli', 1],
    ['Dorigo, Thiago Arnt & Vrcibradic, Davor', 1],
    ['Folly, Manuella & Amaral, Lucas Coutinho', 1],
    ['Folly, Manuella & Condez, Thais H. & Vrcibradic, Davor', 1],
    ['Giaretta, Ariovaldo Antonio & Toffoli, Daniel', 1],
    ['Guimarães, Carla Silva & Luz, Sofia & Rocha, Pedro Carvalho', 1],
    ['Mangia, Sarah & Santana, Diego Jose', 1],
    ['Martins, Itamar A. & Haddad, Célio F. B.', 1],
    ['Monteiro, Juliane Petry De Carli & Condez, Thais Helena', 1],
    ['Ribeiro, Luiz Fernando & Blackburn, David C.', 2],
    ['Ribeiro, Luiz Fernando & Bornschein, Marcos R.', 7],
    ['Taucce, Pedro Paulo Goulart & Canedo, Clarissa', 2],
    ['Other (7)', 7]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=31)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 16, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);