function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Acevedo, Aldemar A. & Armesto, Orlando', 1],
    ['Anganoy-Criollo, Marvin', 1],
    ['Fouquet, Antoine & Ferrão, Miquéias & Jairam, Rawien', 2],
    ['Fouquet, Antoine & Vidal, Nicolas & Dewynter, Maël', 3],
    ['Gagliardi-Urrutia, Giussepe & Castroviejo-Fisher, Santiago', 1],
    ['Grant, Taran & Rada, Marco & Acosta Galvis, Andrés Rymel', 1],
    ['Jaramillo, Andrés F. & Gagliardi-Urrutia, Giussepe', 1],
    ['Kok, Philippe J. R. & Ernst, Raffael', 1],
    ['Lima, Albertina P. & Caldwell, Janalee P & Biavati, Graziela', 1],
    ['Lima, Albertina P. & Caldwell, Janalee P.', 1],
    ['Lima, Albertina P. & Simões, Pedro Ivo & Kaefer, Igor Luis', 2],
    ['Llanqui, Irbin B. & Y. Salas, Cinthya & Oblitas, Melissa P.', 2],
    ['Melo-Sampaio, Paulo R. & Prates, Ivan & Peloso, Pedro L. V.', 2],
    ['Melo-Sampaio, Paulo Roberto & Souza, Moisés Barbosa De', 1],
    ['Schiesari, Luis & Rossa-Feres, Denise De Cerqueira', 2],
    ['Other (8)', 8]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=30)',
    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);