function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Edwards, B. A. B.', 1],
    ['Ferreira, André Da Silva & Araújo, Maíra Xavier', 1],
    ['García Aldrete, Alfonso N. & Román-P, Cristian', 2],
    ['HAKIM, MARINA & HUANG, DI-YING & AZAR, DANY', 2],
    ['Latreille, Pierre André', 1],
    ['Lonsdale, Owen & Locke, Michelle M.', 1],
    ['Mockford, Edward L.', 2],
    ['Neto, Alberto Moreira da Silva & Aldrete, Alfonso Neri García', 1],
    ['Perez-Gelabert, Daniel E.', 1],
    ['Plecas, Milan & Zikic, Vladimir & Kocic, Korana', 1],
    ['R. G. Beutel & S. N. Gorb', 1],
    ['Román-P, Cristian & Obando, Ranulfo González', 1],
    ['Silva-Neto, Alberto Moreira da & Aldrete, Alfonso Neri García', 1],
    ['Smithers, Courtenay Neville', 2],
    ['Tillyard, Robin John', 3],
    ['Other (1)', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=22)',
    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);