function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Dorchin, Netta & Freidberg, Amnon', 3],
    ['Elsayed, Ayman Khamis & Yukawa, Junichi & Tokuda, Makoto', 10],
    ['Kolesik, Peter & Gagné, Raymond J.', 4],
    ['Maia, Valéria Cid', 2],
    ['Maia, Valéria Cid & Fernandes, G. Wilson', 1],
    ['Urso-Guimarães, Maria V.', 4]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=24)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 6, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);