function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Ahyong, Shane T. & Brown, Diane E.', 2],
    ['Ahyong, Shane T. & Ng, Peter K. L.', 8],
    ['Campos, Ernesto', 2],
    ['Komai, Tomoyuki & Kawai, Kei & Ng, Peter K. L.', 3],
    ['Naderloo, Reza & Türkay, Michael', 1],
    ['Ng, Peter K. L.', 2],
    ['Ng, Peter K. L. & Ahyong, Shane T.', 9],
    ['Ng, Peter K. L. & Clark, Paul F. & Naderloo, Reza', 1],
    ['Trivedi, Jigneshkumar N. & Campos, Ernesto', 1],
    ['Trivedi, Jigneshkumar N. & Gosavi, Swapnil', 2],
    ['Trivedi, Jigneshkumar N. & Vachhrajani, Kauresh D.', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=32)',
    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);