function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Esteves, Flavia A. & Fisher, Brian L.', 18],
    ['Etayo, J. & Pino-Bodas, R.', 1],
    ['Forel, A.', 1],
    ['Jarvis, Charlie', 2],
    ['Kalb, Klaus & Buaruang, Kawinnat & Mongkolsuk, Pachara', 1],
    ['McMullin, Richard Troy & Simon, Andrew D. F. & Brodo, Irwin M.', 21],
    ['Pykaelae, Juha & Kantelinen, Annina & Myllys, Leena', 64],
    ['R, Jeanne dos & Silva, eis & Aptroot, André & E, Marcela', 1],
    ['Sokoloff, Paul C. & Freebury, Colin E. & Hamilton, Paul B.', 6],
    ['Wijayawardene, Nalin N. & Dai, Dong-Qin & Premarathne, Bhagya M.', 2],
    ['van den Boom, Pieter P. G. & Clerc, Philippe & Ertz, Damien', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=118)',
    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);