function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Alves, Maria De Lourdes & Ramos-Porto, Marilena', 1],
    ['Ando, Yusuke & Kawano, Shigenori & Muramiya, Yusuke', 1],
    ['Cleva, Régis & Guinot, Danièle & Albenga, Laurent', 5],
    ['Coelho, Petrônio Alves & Almeida, Alexandre Oliveira De', 5],
    ['Costa, Dimitri de Araujo & Dolbeth, Marina & Prata, Jessica', 1],
    ['Filho, Petrônio Alves Coelho', 3],
    ['Guinot, Danièle & Quenette, Gwenaël', 5],
    ['Komai, Tomoyuki', 2],
    ['Mantelatto, Fernando L. & Tamburus, Ana Francisca', 2],
    ['Stebbing, Thomas R. R.', 2],
    ['Wicksten, Mary K.', 3]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=30)',
    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);