function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Bradbury, J. H. & Williams, W. D.', 3],
    ['Coleman, Charles Oliver', 2],
    ['Dole-Olivier, Marie-José & Galassi, Diana M. P. & Fiers, Frank', 1],
    ['Iannilli, Valentina & Holsinger, John R. & Ruffo, Sandro', 4],
    ['Jaume, Damià & Gràcia, Francesc & Boxshall, Geoff A.', 4],
    ['Myers, A', 1],
    ['Pérez-Schultheiss, Jorge', 2],
    ['Sidorov, Dmitry & Reddy, Yenumula Ranga & Shaik, Shabuddin', 1],
    ['Sidorov, Dmitry A. & Katz, Aron D. & Taylor, Steven J.', 2],
    ['Vonk, Ronald & Jaume, Damià', 2],
    ['Zheng, Yami & Hou, Zhonge & Li, Shuqiang', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=23)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 11, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);