function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Ana Laura Almeida & Fernando P. L. Marques & Fernando Carbayo', 14],
    ['Bulnes, Veronica N. & Faubel, Anno & Ponce de Leon, Rodrigo', 3],
    ['Carbayo, Fernando & Almeida, Ana Laura', 2],
    ['Cuadrado, Daniel & Rodríguez, Jorge & Moro, Leopoldo', 2],
    ['Deshmukh, Umakant Bhoopati & Mungole, Aravind Janardhan', 2],
    ['Faubel, Anno', 51],
    ['Fernando Carbayo & Marta Álvarez-Presas & Cĺaudia T. Olivares', 14],
    ['Fernando Carbayo & Marta Álvarez-Presas & Hugh D. Jones', 3],
    ['Hellmann, Lindsey & Leal-Zanchet, Ana Maria', 2],
    ['Lago-Barcia, Domingo & Silva, Marcos Santos & Carbayo, Fernando', 6],
    ['Lin, Yitao & Reygel, Patrick & Feng, Weitao & Chen, Jiajia', 4],
    ['Maghsoudlou, Abdolvahab & Rahimian, Hassan', 3],
    ['Negrete, Lisandro & Brusa, Francisco', 3],
    ['Sluys, Ronald & Solà, Eduard & Gritzalis, Konstantinos', 3],
    ['Vila-Farré, Miquel & Mateos, Eduardo & Sluys, Ronald', 3],
    ['Other (25)', 33]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=148)',
    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);