function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Bahder, Brian W. & Barrantes Barrantes, Edwin A.', 2],
    ['Bahder, Brian W. & Myrie, Wayne & Helmick, Ericka E.', 2],
    ['Barrantes Barrantes, Edwin A. & Zumbado Echavarria, Marco A.', 2],
    ['Ferreira, Mileida & Mckamey, Stuart H. & Martinez, Reina T.', 2],
    ['Luo, Yang & Bourgoin, Thierry & Zhang, Jia-Lin & Feng, Ji-Nian', 1],
    ['Ramos Hernández, Eder & Magaña Alejandro, Miguel Alberto', 1],
    ['Zumbado Echavarria, Marco A. & Barrantes Barrantes, Edwin A.', 2]
  ]);
  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);