function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Allain, Ronan & Vullo, Romain & Rozada, Lee & Anquetin, Jérémy', 1],
    ['Bajor, Daniel & Alarcón Muñoz, Jhonatan & Lizama Catalán, Álvaro', 1],
    ['Fortier, Daniel & Perea, Daniel & Schultz, Cesar', 3],
    ['Hill, Robert V. & Mccartney, Jacob A. & Roberts, Eric', 1],
    ['Young, Mark T. & Hastings, Alexander K. & Allain, Ronan', 1],
    ['Zaher, Hussam & Pol, Diego & Carvalho, Alberto B.', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=8)',
    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);