function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Heffern, Daniel & Nascimento, Francisco Eriberto De L.', 2],
    ['Mermudes, José Ricardo M. & Monné, Miguel A.', 6],
    ['Monné, Miguel A. & Monné, Marcela L.', 6],
    ['Monné, Miguel A. & Santos-Silva, Antonio & Monné, Marcela L.', 2],
    ['Nascimento, Francisco E. De L. & Mcclarin, Jim', 1],
    ['Nearns, Eugenio H. & Swift, Ian P. & Santos-Silva, Antonio', 4],
    ['Santos-Silva, Antonio & Monné, Miguel A.', 2],
    ['Santos-Silva, Antonio & Nascimento, Francisco E. De L.', 1],
    ['Vlasak, Josef & Santos-Silva, Antonio', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=25)',
    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);