function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Ahmad, Imtiaz & Rab, Navaid & Bundy, C. Scott', 2],
    ['Barros, Lurdiana D. & Paim, Marcelo R. & Krein, Verônica', 1],
    ['Brito, Lucas Cavalcanti & Grazia, Jocelia & Barão, Kim Ribeiro', 1],
    ['Candan, Selami & Yilmaz, Fatma Sümeyye & Suludere, Zekiye', 1],
    ['Castro-Huertas, Valentina & Grazia, Jocelia & Forero, Dimitri', 2],
    ['Coscarón, María Del Carmen', 1],
    ['Ghahari, Hassan & Moulet, Pierre & Rider, David A.', 4],
    ['Krüger, Andreas & Deckert, Jürgen', 1],
    ['Külekçi, G. & Yildirim, E. & Tezcan, S.', 1],
    ['Laterza, Ilaria & Tamburini, Giovanni & Panzarino, Onofrio', 1],
    ['Linnavuori, Rauno E.', 2],
    ['Matsunaga, Janis N. & Howarth, Francis G.', 1],
    ['Panizzi, Antônio Ricardo & Grazia, Jocélia', 1],
    ['Rider, David A. & Swanson, Daniel R.', 3],
    ['Silva, Valeria Juliete Da & Santos, Cleverson Rannieri Meira Dos', 1],
    ['Other (4)', 4]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=27)',
    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);