function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Barcelos, Luis MD & Rodrigues, Pedro R & Bried, Joel', 2],
    ['Boano, Giovanni & Belemsobgo, Urbain & Silvano, Fabrizio', 7],
    ['Boddaert, Pieter', 3],
    ['Buainain, Nelson & Brito, Guilherme Renzo Rocha', 3],
    ['Burns, Kevin J. & Unitt, Philip & Mason, Nicholas A.', 3],
    ['Fernandez, Juan Manuel & Thomann, Luz & Fandiño, Blas', 3],
    ['LeCroy, Mary', 122],
    ['Linnaeus, Carolus', 16],
    ['Mlíkovský, Jiří & Frahnert, Sylke', 4],
    ['Price, Roger D. & Dalgleish, Robert C.', 2],
    ['Swainson, William', 6],
    ['Sánchez-Nivicela, Manuel & Avendaño, Jorge Enrique', 6],
    ['Temminck, Coenraad Jacob', 2],
    ['Vieillot, Louis Pierre', 2],
    ['Č, Ř Á', 2],
    ['Other (20)', 20]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=203)',
    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);