function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Albano, Paolo G. & Bakker, Piet A. J. & Janssen, Ronald', 2],
    ['André, E ́ mile', 1],
    ['Appolloni, Massimo & Smriglio, Carlo & Amati, Bruno', 1],
    ['Araya, Juan Francisco & Catalán, Ricardo & Aliaga, Juan Antonio', 2],
    ['Hansen, Thomas', 2],
    ['Harzhauser, Mathias & Landau, Bernard M.', 30],
    ['Maintenon, Marta J.', 9],
    ['Mariottini, Paolo & Smriglio, Carlo & Oliverio, Marco', 3],
    ['McGhie, Henry', 2],
    ['Monsecour, K & Monsecour, D', 4],
    ['Russini, Valeria & Fassio, Giulia & Modica, Maria Vittoria', 4],
    ['Sacchetti, Claudia & Landau, Bernard & Ávila, Sérgio P.', 4],
    ['Simone, Luiz Ricardo L.', 2],
    ['Thivaiou, Danae & Harzhauser, Mathias & Koskeridou, Efterpi', 2],
    ['deMAINTENON, Marta J.', 2],
    ['Other (15)', 15]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=85)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 16, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);