function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Arimoto, Kôichi & Itô, Reo', 1],
    ['Bukejs, Andris', 1],
    ['Chittaro, Yannick & Sanchez, Andreas', 1],
    ['Chittaro, Yannick & Sanchez, Andreas & Blanc, Mickaël', 3],
    ['Dejean, Pierre François Marie Auguste', 1],
    ['Ferro, Michael L. & Gimmel, Matthew L. & Harms, Kyle E.', 3],
    ['Ghahari, Hassan & Packova, Gabriela & Platia, Giuseppe', 6],
    ['Gulpercin, N. & Tezcan, S.', 2],
    ['Gulpercin, Nilay & Tezcan, Serdar', 4],
    ['Németh, Tamás', 2],
    ['Platia, Giuseppe & Ghahari, Hassan', 19],
    ['Prosvirov, Alexander S. & Efimov, Dmitry A.', 2],
    ['Stefanelli, Silvia & Della Rocca, Francesca & Bogliani, Giuseppe', 8],
    ['Telfer, Angela C & Young, Monica R & Quinn, Jenna & Perez, Kate', 5],
    ['Webster, Reginald P. & Sweeney, Jon D. & DeMerchant, Ian', 4],
    ['Other (10)', 10]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=72)',
    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);