function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Castro, Peter', 1],
    ['Coelho, Petrônio Alves & Almeida, Alexandre Oliveira De', 8],
    ['Leach, William Elford', 1],
    ['Masunari, Setuko & Martins, Salise Brandt', 1],
    ['Naderloo, Reza & Türkay, Michael', 3],
    ['Naderloo, Reza & Türkay, Michael & Chen, Hui-Lian', 7],
    ['Shih, Hsi-Te', 2],
    ['Shih, Hsi-Te & Komai, Tomoyuki & Liu, Min-Yun', 1],
    ['Shih, Hsi-Te & Lee, Jung-Hsiang & Ho, Ping-Ho & Liu, Hung-Chang', 15],
    ['Shih, Hsi-Te & Naruse, Tohru & Ng, Peter K. L.', 1],
    ['Shih, Hsi-Te & Ng, Peter K. L. & Christy, John H.', 2],
    ['Shih, Hsi-Te & Ng, Peter K. L. & Davie, Peter J. F.', 1],
    ['Shih, Hsi-Te & Ng, Peter K. L. & Fang, Shou-Hua', 14],
    ['Shih, Hsi-Te & Ng, Peter K. L. & Wong, Kingsley J. H.', 1],
    ['Wicksten, Mary K.', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=59)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 15, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);