function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Adorador, Jiro T. & Meneses-Adorador, Zhereeleen D.', 2],
    ['Bodegom, Saskia & Veldkamp, Jan Frederik', 12],
    ['Diels, Friedrich Ludwig Emil', 1],
    ['Fernando, Edwino S. & Quakenbush, J. Peter & Lillo, Edgardo P.', 1],
    ['Gibbs, Lilian Suzette', 1],
    ['Hemsley, William Botting', 1],
    ['Jarvis, Charlie', 1],
    ['Kottaimuthu, Ramalingam', 1],
    ['Kottaimuthu, Ramalingam & Basu, Muthuramalingam Jothi', 1],
    ['Mansfeld, Rudolf', 12],
    ['Markgraf, Friedrich', 1],
    ['Merrill, Elmer Drew & Perry, Lily May', 11],
    ['Ohwi, Jisaburo', 2],
    ['Ridley, Henry Nicholas', 3],
    ['Takeuchi, Wayne N.', 2],
    ['Other (2)', 2]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=54)',
    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);