function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Fouquet, Antoine & Vidal, Nicolas & Dewynter, Maël', 1],
    ['Kaefer, Igor Luis & Rojas, Rommel R. & Ferrão, Miquéias', 1],
    ['Moraes, Leandro João Carneiro de Lima', 1],
    ['Rojas, Rommel R. & Carvalho, Vinícius Tadeu De', 2],
    ['Rojas, Rommel R. & Carvalho, Vinícius Tadeu De & Gordo, Marcelo', 1],
    ['Rojas, Rommel R. & Chaparro, Juan C.', 1],
    ['Rojas, Rommel R. & Fouquet, Antoine', 1],
    ['Rojas, Rommel Roberto & Fouquet, Antoine & Ron, Santiago R.', 4],
    ['Schiesari, Luis & Rossa-Feres, Denise De Cerqueira', 1],
    ['Ávila, Robson W. & Carvalho, Vinicius T. & Gordo, Marcelo', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=14)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 10, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);