function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Chandra, Kailash & Jehamalar, E. Eyarin', 1],
    ['Cianferoni, Fabio', 6],
    ['Cordeiro, Isabelle Da Rocha Silva', 1],
    ['Fent, Meral & Kment, Petr & Çamur-Elipek, Belgin & Kirgiz, Timur', 2],
    ['Ghahari, Hassan & Moulet, Pierre & Ostovan, Hadi', 2],
    ['Kment, Petr & Carapezza, Attilio', 1],
    ['Kment, Petr & Carapezza, Attilio & Jindra, Zdeněk', 84],
    ['Krüger, Andreas & Deckert, Jürgen', 1],
    ['Moreira, Felipe Ferraz Figueiredo & Barbosa, Julianna Freires', 3],
    ['Nieser, Nico & Chen, Pingping', 3],
    ['Pelingen, Arthien Lovell & Zettel, Herbert', 6],
    ['Polhemus, Dan A.', 3],
    ['Polhemus, Dan A. & Polhemus, John T.', 11],
    ['Riviaux, Senén Muñoz & Moreira, Felipe Ferraz Figueiredo', 2],
    ['Takiya, Daniela Maeda & Santos, Allan Paulo Moreira', 6],
    ['Other (1)', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=133)',
    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);