function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Barros, Lurdiana D. & Paim, Marcelo R. & Krein, Verônica', 1],
    ['Borges, Paulo A. V. & Gaspar, Clara', 2],
    ['Candan, Selami & Yilmaz, Fatma Sümeyye & Suludere, Zekiye', 1],
    ['Castro-Huertas, Valentina & Grazia, Jocelia & Forero, Dimitri', 2],
    ['Coscarón, María Del Carmen', 1],
    ['Faúndez, Eduardo I. & Carvajal, Máriom A.', 1],
    ['Ferrari, Augusto & Schwertner, Cristiano Feldens', 13],
    ['Ghahari, Hassan & Moulet, Pierre & Rider, David A.', 1],
    ['Ishikawa, Tadashi & Saito, Masayuki U. & Kishimoto-Yamada, Keiko', 2],
    ['Krüger, Andreas & Deckert, Jürgen', 1],
    ['Külekçi, G. & Yildirim, E. & Tezcan, S.', 1],
    ['Laterza, Ilaria & Tamburini, Giovanni & Panzarino, Onofrio', 1],
    ['Linnavuori, Rauno E.', 2],
    ['María C. Melo & Gimena Dellapé & Leonela Olivera', 1],
    ['Rider, David A. & Swanson, Daniel R.', 2],
    ['Other (6)', 6]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=38)',
    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);