function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Bravo, Gustavo A. & Chesser, Terry & Brumfield, Robb T.', 1],
    ['Buzzetti, Dante R. C. & BELMONTE-LOPES, Ricardo & Reinert, B. L.', 1],
    ['Cavarzere, Vagner & Silveira, Luis F.', 2],
    ['Cicchino, Armando C. & Valim, Michel P.', 1],
    ['Fernandez, Juan Manuel & Thomann, Luz & Fandiño, Blas', 1],
    ['Glowska, Eliza & Schmidt, Brian K.', 2],
    ['Hermann, Johann', 2],
    ['Isler, Morton L. & Bravo, Gustavo A. & Brumfield, Robb T.', 18],
    ['Lima, Rafael Dantas & Silveira, Luís Fábio', 4],
    ['Machado, Tatiana Lemos da Silva & Marques de Oliveira, Uéslei', 15],
    ['Mlíkovský, Jiří & Frahnert, Sylke', 3],
    ['Quaresma, Tânia Fontes & Cronemberger, Áurea A.', 7],
    ['Swainson, William', 3],
    ['Tello, Jose G. & Raposo, Marcos & Bates, John M.', 6],
    ['Vitorino, Breno Dias & Vilas Boas da Frota, Angélica', 4],
    ['Other (11)', 11]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=81)',
    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);