function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Campos-Rocha, Antonio & Medeiros, Alexandre Da Silva', 2],
    ['Campos-Rocha, Antonio & Meerow, Alan William & Peixoto, Mauro', 2],
    ['D. Howland, Amanda & Quintanilla, Marisol', 1],
    ['Florentín, Javier E. & Medina, Walter A. & Salas, Roberto M.', 2],
    ['Jarvis, Charlie', 1],
    ['Mille, Christian & Henderson, Rosa C. & Cazères, Sylvie', 1],
    ['Oliveira, Renata Souza De & Semir, João', 3]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=12)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 7, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);