function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Almeda, Frank & Ortíz, Orlando O.', 1],
    ['Almeda, Frank & Pacifico, Ricardo', 1],
    ['Cárdenas, Lizeth A. & Burke, Janelle M.', 5],
    ['Gamba, Diana & Almeda, Frank', 33],
    ['Gamba, Diana & Almeda, Frank & Alvear, Marcela', 1],
    ['Jarvis, Charlie', 3],
    ['Kriebel, Ricardo & Almeda, Frank', 2],
    ['Maia, Valéria Cid & Mascarenhas, Bernardo', 11],
    ['Majure, Lucas C. & Becquer, Eldis R. & Judd, Walter S.', 22],
    ['Majure, Lucas C. & Judd, Walter S.', 2],
    ['Michelangeli, Fabián A. & Goldenberg, Renato', 3],
    ['Molino, Jean-François & Sabatier, Daniel & Grenand, Pierre', 38],
    ['Ramella, Lorenzo & Perret, Patrick', 3],
    ['Renner, Susanne S. & Goldenberg, Renato', 2],
    ['Silva-Gonçalves, Kelly Cristina Da & Baumgratz, José Fernando A.', 11],
    ['Other (7)', 7]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=145)',
    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);