function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Annandale, N.', 1],
    ['Arunachalam, Muthukumarasamy & Muralidharan, Murugan', 1],
    ['Arunachalam, Muthukumarasamy & Vijayakumar, C.', 2],
    ['Conway, Kevin W.', 21],
    ['Conway, Kevin W. & Britz, Ralf', 3],
    ['Conway, Kevin W. & Dittmer, Drew E. & Jezisek, Laci E.', 6],
    ['Conway, Kevin W. & Kottelat, Maurice', 1],
    ['Conway, Kevin W. & Pinion, Amanda K.', 1],
    ['Hora, S. L. & Mukerji, D. D.', 1],
    ['Kevin W. Conway & Maurice Kottelat', 8],
    ['Laan, Richard Van Der & Eschmeyer, William N. & Fricke, Ronald', 1],
    ['Lalronunga, Samuel', 1],
    ['Maurice Kottelat', 2],
    ['McClelland, J.', 1],
    ['Menon, A. G. K. & Datta, A. K.', 1],
    ['Other (6)', 6]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=57)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 16, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);