function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Almeida, Alexandre O. & Boehs, Guisla', 1],
    ['Almeida, Alexandre Oliveira De & Guerrazzi, Maria Cec Lia', 1],
    ['Cédric', 4],
    ['D\'Acoz, Cédric D\'Udekem & Degrave, Sammy', 2],
    ['Filho, Petrônio Alves Coelho', 1],
    ['Fransen, Charles H. J. M. & Grave, Sammy De', 2],
    ['Gan, Zhi-Bin & Li, Xin-Zheng', 2],
    ['Gan, Zhibin & Li, Xinzheng', 2],
    ['Herrera-Barquín, Hiram & Leija-Tristán, Antonio', 2],
    ['Leach, William Elford', 1],
    ['Naderloo, Reza & Türkay, Michael', 1],
    ['Soledade, Guidomar O. & Fonseca, Mytalle S.', 1],
    ['Terossi, Mariana & Cuesta, Jose A. & Wehrtmann, Ingo S.', 1],
    ['Wicksten, Mary K.', 2],
    ['Xu, Peng & Li, Xin-Zheng', 1],
    ['Other (1)', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=25)',
    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);