function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Alarie, Yves', 3],
    ['Balke, Michael', 1],
    ['Balke, Michael & Hájek, Jiří & Hendrich, Lars', 1],
    ['Balke, Michael & Ospina-Torres, Rodulfo & Megna, Yoandri S.', 2],
    ['Budaev, F. A. & Eremeeva, N. I. & Efimov, D. A.', 3],
    ['Darilmaz, Mustafa C. & Kiyak, Suat', 1],
    ['Dejean, Pierre François Marie Auguste', 1],
    ['Hjalmarsson, Anna Emilia & Bukontaite, Rasa', 3],
    ['Hájek, Jiří', 1],
    ['Hájek, Jiří & Reiter, Antonín', 1],
    ['Keller, Oliver & Schnepp, Kyle E. & Ashman, Krystal L.', 1],
    ['Luna-Luna, Alba Magali & Martins, Caleb Califre', 2],
    ['Majka, Christopher', 1],
    ['Ordish, Ronald Garth Mr.', 1],
    ['Sharp, David', 1],
    ['Other (3)', 3]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=26)',
    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);