function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Dick, Matthew H. & Tilbrook, Kevin J. & Mawatari, Shunsuke F.', 1],
    ['Gerovasileiou, Vasilis & Rosso, Antonietta', 4],
    ['Harmelin, Jean-Georges', 1],
    ['Martino, Emanuela Di', 2],
    ['Mead, A. & Carlton, J. T. & Griffiths, C. L. & Rius, M.', 1],
    ['Ramalho, Laís V. & Muricy, Guilherme & Taylor, Paul D.', 1],
    ['Ramalho, Laís V. & Rodríguez-Aporta, Raquel & Gofas, Serge', 1],
    ['Ryland, John S. & Blauwe, Hans De & Lord, Richard', 3],
    ['Vieira, Leandro M. & Jones, Mary Spencer & Taylor, Paul D.', 8]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=22)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 9, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);