function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Bertaco, Vinicius A. & Azevedo, Marco A.', 1],
    ['Collins, Rupert A. & Duarte Ribeiro, Emanuell', 4],
    ['De Oliveira, Rianne C. & Ota, Renata R. & Deprá, Gabriel C.', 1],
    ['DoNascimiento, Carlos & Albornoz-Garzón, Juan Gabriel', 1],
    ['Mees, G. F.', 1],
    ['Ota, Renata Rúbia & Deprá, Gabriel de Carvalho', 1],
    ['Pavanelli, Carla Simone & Bifi, Alessandro Gasparetto', 1],
    ['Ribeiro, Frank Raynner V. & Silva-Oliveira, Cárlison', 1],
    ['Sarmento-Soares, Luisa Maria', 13],
    ['Souza, Jordson de Souza e & Sarmento-Soares, Luisa M.', 1],
    ['Vari, Richard P. & Ferraris, Carl J.', 2]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=27)',
    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);