function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Karremans, Adam P. & Rojas-Alvarado, Gustavo', 1],
    ['Larsen, Bruno', 3],
    ['Monteros, Marco F. & Restrepo, Eugenio & Iturralde, Gabriel A.', 4],
    ['Morales, Nicolás Gutiérrez & Vieira-Uribe, Sebastián', 1],
    ['Moreno, Juan Sebastián & Hoyos, David & Rincón, Milton', 1],
    ['Pupulin, Franco', 2],
    ['Pérez-Escobar, Oscar Alejandro & Kolanowska, Marta', 1],
    ['Suarez, Francisco Tobar & Lopez, Maria Fernanda', 3],
    ['Vega, Hermes & Cetzal-Ix, William & Mó, Edgar', 28],
    ['Vieira-Uribe, Sebastián & Moreno, Juan Sebastián', 2],
    ['Yeager, Justin & Iturralde, Gabriel A. & Horna, Luis Ocupa', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=47)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 11, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);