function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['A. D., Tran & Polhemus, D. A.', 17],
    ['Basu, Srimoyee & Chandra, Kailash & Venkatesan, Thiruvengadam', 2],
    ['Basu, Srimoyee & Polhemus, D. A. & Subramanian, K. A.', 5],
    ['Chen, Zhen Ye Ping-Ping & Bu, Wen-Jun', 6],
    ['Cianferoni, Fabio & Saleem, Rukhshanda & Afsheen, Sumera', 1],
    ['Ghahari, Hassan & Moulet, Pierre & Ostovan, Hadi', 1],
    ['Jehamalar, E. Eyarin & Chandra, Kailash', 2],
    ['Jehamalar, E. Eyarin & Dash, Swetapadma', 9],
    ['Kment, Petr & Kolínová, Zdislava', 1],
    ['Pelingen, Arthien Lovell & Zettel, Herbert', 1],
    ['Tran, Anh Duc & Polhemus, Dan A.', 5],
    ['Zettel, Herbert & Duc, Tran Anh', 2],
    ['Zettel, Herbert & Tran, A. D.', 2]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=54)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 13, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);