function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Carpintero, Diego Leonardo & Chérot, Frédéric', 1],
    ['Carpintero, Diego Leonardo & Dellapé, Pablo Matías', 3],
    ['Cerot, Frederic', 2],
    ['Chérot, Frédéric & Gorczyca, Jacek', 1],
    ['Chérot, Frédéric & Wolski, Andrzej & Carpintero, Diego Leonardo', 4],
    ['Frédéric, Chérot & Jordi, Ribes & Jacek, Gorczyca', 1],
    ['Ghahari, Hassan & Chérot, Frédéric', 1],
    ['Kirkaldy, George Willis', 1],
    ['Linnavuori, Rauno E.', 1],
    ['Masłowski, Adrian & Baňař, Petr & Carapezza, Attilio', 2],
    ['Melo, Maria Cecilia & Dellape, Pablo Matias', 1],
    ['Pluot-Sigwalt, Dominique & Chérot, FrÉdÉric', 1],
    ['Pluot-Sigwalt, Dominique & Chérot, Frédéric', 1],
    ['Reuter, Odo Morannal', 1],
    ['Wolski, Andrzej & Gorczyca, Jacek & Yasunaga, Tomohide', 9],
    ['Other (5)', 5]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=35)',
    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);