function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Barringer, Lawrence', 22],
    ['Carlton, Christopher E. & MacRae, Ted C. & Tishechkin, Alexey K.', 30],
    ['Curletti, Gianfranco', 18],
    ['Curletti, Gianfranco & Migliore, Letizia', 131],
    ['Curletti, Gianfranco & Sakalian, Vladimir', 16],
    ['Forbicioni, Leonardo & Tormen, Nicola & Curletti, Gianfranco', 14],
    ['Hallinen, Marie J. & Steffens, Wayne P. & Schultz, Jennifer L.', 41],
    ['Hespenheide, Henry A.', 35],
    ['Hespenheide, Henry A. & Bellamy, Charles L.', 15],
    ['Hespenheide, Henry A. & Westcott, Richard L.', 22],
    ['Jendek, Eduard', 246],
    ['Jendek, Eduard & Grebennikov, Vasily V.', 73],
    ['Jendek, Eduard & Nakládal, Oto', 286],
    ['Pérez-Hernández, Cisteil Xinum', 41],
    ['Westcott, Richard L. & Hespenheide, Henry A.', 163],
    ['Other (26)', 59]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=1212)',
    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);