function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Basu, Srimoyee & Saha, Goutam K.', 3],
    ['Carbonell, José Antonio & Abellán, Pedro & Arribas, Paula', 4],
    ['Fent, Meral & Kment, Petr & Çamur-Elipek, Belgin & Kirgiz, Timur', 3],
    ['G. Thirumalai', 1],
    ['Ghahari, Hassan & Moulet, Pierre & Ostovan, Hadi', 1],
    ['Kment, Petr & Kolínová, Zdislava', 3],
    ['Millán, Andrés & L\'Mohdi, Ouassima & Carbonell, José Antonio', 1],
    ['PATEL, RAMAN & RANA, RAJENDRA SINGH & NEL, ANDRÉ & ALI, ASHIF', 3],
    ['Pelingen, Arthien Lovell & Zettel, Herbert', 2],
    ['Polhemus, Dan A. & Polhemus, John T.', 6],
    ['Shapovalov, Maksim I. & Saprykin, Maksim A.', 1],
    ['Sites, Robert W.', 1],
    ['Xie, Tong-Yin & Liu, Guo-Qing', 8],
    ['Zettel, H. & Pangantihon, C. V.', 4],
    ['Zettel, Herbert', 2],
    ['Other (4)', 4]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=47)',
    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);