function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Anlaş, S. & Tezcan, S.', 4],
    ['Assing, V.', 2],
    ['Assing, Volker', 6],
    ['Bedard, Nicolas & Brunke, Adam & Bloin, Pierrick', 1],
    ['Della Rocca, Francesca & Stefanelli, Silvia & Cardarelli, Elisa', 1],
    ['Hayashi, Yasuhiko', 2],
    ['Jenkins Shaw, Josh & Bai, Ming & Solodovnikov, Alexey', 2],
    ['Latreille, Pierre André', 1],
    ['Samin, N. & Imani, S.', 1],
    ['Webster, Reginald P. & Davies, Anthony E. & Klimaszewski, Jan', 5]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=25)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 10, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);