function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Bruneau, Anne & de Queiroz, Luciano Paganucci', 1],
    ['Callmander, Martin W. & Durbin, Olivier D. & Lack, Hans-Walter', 1],
    ['Fernandes, José Martins & Garcia, Flávia Cristina Pinto', 1],
    ['Fernandes, José Martins & Soares, Célia Regina Araújo', 1],
    ['Flor, Ismael Cividini & Flor, Jandira Chachá Ribeiro', 1],
    ['Garcia, Flávia C. P. & Chagas, Aline P. & Dutra, Valquíria F.', 2],
    ['Heng, Ming Yuan & Thuerig, Barbara & Danton, Ombeline', 2],
    ['Jarvis, Charlie', 2],
    ['Maia, Valéria Cid & Mascarenhas, Bernardo', 5],
    ['Molino, Jean-François & Sabatier, Daniel & Grenand, Pierre', 59],
    ['Poncy, Odile', 1],
    ['Rauber, Cristiane Ritter & Lima, Laura Cristina Pires', 3],
    ['Silva, Lucas & Thomaz, Luciana Dias & Dutra, Valquíria Ferreira', 4],
    ['Wolff, Santos & Witter, Sidia & Bruno', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=84)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 14, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);