function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Badjedjea, Gabriel & Masudi, Franck M. & Akaibe, Benjamin Dudu', 2],
    ['Duszynski, Donald W. & Bolek, Matthew G. & Upton, Steve J.', 1],
    ['Grismer, L. Lee & Neang, Thy & Chav, Thou & Wood, Perry L. & Jr', 2],
    ['Kanga, Kouassi Philippe & Kouamé, N’Goran Germain', 1],
    ['Matsui, Masafumi & Shimada, Tomohiko & Sudin, Ahmad', 1],
    ['O’Hara, James E. & Cerretti, Pierfilippo & Pape, Thomas', 1],
    ['Sánchez-Vialas, Alberto & Calvo-Revuelta, Marta', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=9)',
    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);