function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Carneiro, Miguel & Martins, Rogélia & Landi, Monica', 14],
    ['Krefft, G.', 2],
    ['Laan, Richard Van Der & Eschmeyer, William N. & Fricke, Ronald', 1],
    ['Lavenberg, R. J.', 2],
    ['Lloyd, R. E.', 1],
    ['Love, Milton S. & Bizzarro, Joseph J. & Cornthwaite, Maria', 10],
    ['Matsui, T. & Rosenblatt, Richard H.', 2],
    ['Parr, A. E.', 12],
    ['Sazonov, Yu. I.', 3],
    ['Sazonov, Yu. I. & Golovan, G. A.', 2],
    ['Sazonov, Yu. I. & Merrett, N. R.', 1],
    ['Sazonov, Yu. I. & Trunov, I. A.', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=51)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 12, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);