function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Boddaert, Pieter', 1],
    ['Cibois, Alice & Vallotton, Laurent & Othman, Nagwa', 1],
    ['Laman, Timothy G.', 1],
    ['Lecroy, Mary', 39],
    ['Lesson, René Primevère & Garnot, Prosper', 2],
    ['Linnaeus, Carolus', 3],
    ['Meyer, A. B.', 2],
    ['Steinheimer, Frank D.', 17],
    ['Swainson, W.', 1],
    ['Wagler, Johann Georg', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=68)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 10, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);