function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Don E. Wilson & Russell A. Mittermeier & Thomas E. Lacher, Jr', 6],
    ['Gutierrez, Eliecer E. & Marinho-Filho, Jader', 1],
    ['Moreira, Camila Do Nascimento & Ventura, Karen', 8],
    ['Percequillo, Alexandre Reis & Weksler, Marcelo', 1],
    ['Velazco, Paúl M. & Patterson, Bruce D.', 1],
    ['WEKSLER, MARCELO & PERCEQUILLO, ALEXANDRE REIS & VOSS, ROBERT S.', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=18)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 6, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);