function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Almeida, Ana C. S. & Souza, Facelucia B. C. & Menegola, Carla', 1],
    ['Jain, Sudhanshi S. & Gordon, Dennis P. & Huang, Danwei', 1],
    ['Sonar, Mohan A. & Pawar, Ravi V. & Wayal, Dnyaneshwar V.', 1],
    ['Souto, Javier & Berning, Björn & Ostrovsky, Andrew N.', 1],
    ['Souto, Javier & Reverter-Gil, Oscar', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=5)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 5, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);