function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Batista, Caio Augusto Dos Santos', 1],
    ['Bunting, R. H.', 1],
    ['Buturi, Camila V. & Temponi, Lívia G. & Sakuragui, Cassia M.', 1],
    ['Calazans, Luana S. B. & Sakuragui, Cassia M.', 1],
    ['Hentz Júnior, Elmar J. & Hammes, Janaine K. & Camelo, Mel C.', 4],
    ['Jarvis, Charlie', 2],
    ['Maia, Valéria Cid & Mascarenhas, Bernardo', 3],
    ['Oliveira, Adriana & Bove, Claudia', 4],
    ['Ortiz, Orlando Oriel & de Stapf, María Sánchez', 26]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=43)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 9, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);