function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Almeida, Ana Laura & Álvarez-Presas, Marta & Carbayo, Fernando', 18],
    ['Ana Laura Almeida & Fernando P. L. Marques & Fernando Carbayo', 14],
    ['Boll, Piter Kehoma & Amaral, Silvana Vargas Do', 4],
    ['Fernando Carbayo & Marta Álvarez-Presas & Cĺaudia T. Olivares', 14],
    ['Grau, José Horacio & Sluys, Ronald & Froehlich, Eudóxia Maria', 4],
    ['Lago-Barcia, Domingo & Carbayo, Fernando', 6],
    ['Lago-Barcia, Domingo & Silva, Marcos Santos & Carbayo, Fernando', 6],
    ['Luna, Manuel De & Boll, Piter Kehoma', 12],
    ['Marques, Alessandro & Rossi, Ilana & Valiati, Victor Hugo', 4],
    ['Negrete, Lisandro & Brusa, Francisco', 8],
    ['Silva, Marcos Santos & Carbayo, Fernando', 9],
    ['Sluys, Ronald & Kawakatsu, Masaharu', 9],
    ['Solà, Eduard & Sluys, Ronald & Riutort, Marta', 16],
    ['Stocchino, Giacinta Angela', 22],
    ['Vila-Farré, Miquel & Sluys, Ronald & Mateos, Eduardo', 8],
    ['Other (52)', 88]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=242)',
    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);