function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Dawah, Hassan A. & Abdullah, Mohammed A. & Ahmad, Syed Kamran', 8],
    ['El-Hawagry, Magdi S. & Gilbert, Francis', 7],
    ['Gilasian, Ebrahim & Sorokina, Vera S.', 14],
    ['Heimburg, Helge & Doczkal, Dieter & Holzinger, Werner E.', 2],
    ['Kočić, Anja & Vujić, Ante & Tot, Tamara', 9],
    ['Lorenzo, Daniel & Ricarte, Antonio & Nedeljković, Zorica', 3],
    ['Meigen, Johann Wilhelm', 11],
    ['Radenković, Snežana & Likov, Laura & Ståhls, Gunilla', 2],
    ['Ricarte, Antonio & Nedeljković, Zorica & Rotheray, Graham E.', 6],
    ['Ricarte, Antonio & Rotheray, Graham E. & Lyszkowski, Richard M.', 4],
    ['Samin, Najmeh & Sakenin, Hamid', 5],
    ['Schlüsslmayr, Gerhard', 6],
    ['Sforzi, Alessandra & Sommaggio, Daniele', 8],
    ['Tot, Tamara & Radenković, Snežana & Nedeljković, Zorica', 4],
    ['Vujić, Ante & Ståhls, Gunilla & Rojo, Santos', 5],
    ['Other (10)', 10]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=104)',
    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);