function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Adalsteinsson, Solny A. & Branch, William R. & Trape, Sébastien', 21],
    ['Ananjeva, Natalia B. & Milto, Konstantin D.', 2],
    ['Cruz-Rodríguez, Cristian & Lynch, John D. & Cárdenas, Julieth S.', 3],
    ['Guedes, Thaís B. & Nogueira, Cristiano & Marques, Otavio A. V.', 4],
    ['Hedges, S. Blair', 2],
    ['Koch, Claudia & Cruz, Roy Santa & Cárdenas, Heidy', 2],
    ['Koch, Claudia & Venegas, Pablo J. & Böhme, Wolfgang', 3],
    ['Martins, Angele & Folly, Manuella & Ferreira, Guilherme Nunes', 2],
    ['Nogueira, Cristiano C. & Argôlo, Antonio J. S.', 17],
    ['Pinto, Roberta R. & Fernandes, Ronaldo', 3],
    ['Pinto, Roberta Richard & Passos, Paulo', 8],
    ['Published, First', 37],
    ['Razzetti, Edoardo & Sindaco, Roberto & Grieco, Cristina', 3],
    ['Segniagbeto, Gabriel Hoinsoude & Trape, Jean François', 3],
    ['Sánchez-Vialas, Alberto & Calvo-Revuelta, Marta', 2],
    ['Other (6)', 6]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=118)',
    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);