function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Boddaert, Pieter', 2],
    ['Burns, Kevin J. & Unitt, Philip & Mason, Nicholas A.', 19],
    ['Desmarest, Anselme Gaëtan', 2],
    ['Fernandez, Juan Manuel & Thomann, Luz & Fandiño, Blas', 13],
    ['Gonza ́ Lez-Acun, Daniel A. & Palma, Ricardo L.', 8],
    ['Lane, D. F. & Justiniano, M. A. A. & Terrill, R. S.', 2],
    ['LeCroy, Mary', 143],
    ['Lima, Rafael Dantas & Silveira, Luís Fábio', 5],
    ['Machado, Tatiana Lemos da Silva & Marques de Oliveira, Uéslei', 3],
    ['Mlíkovský, Jiří & Frahnert, Sylke', 5],
    ['Somenzari, Marina & Amaral, Priscilla Prudente do', 4],
    ['Swainson, William', 2],
    ['Vieillot, Louis Pierre', 5],
    ['Vitorino, Breno Dias & Vilas Boas da Frota, Angélica', 3],
    ['Č, Ř Á', 7],
    ['Other (11)', 11]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=234)',
    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);