function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Bayarsaikhan, Ulziijargal & Bae, Yang-Seop', 19],
    ['Mbata, Keith J. & Prins, Jurate De', 8],
    ['Singh, Navneet & Bhattacharyya, Kamalika & Volynkin, Anton V.', 4],
    ['Singh, Navneet & Joshi, Rahul & Kirti, Jagbir Singh', 46],
    ['Singh, Navneet & Volynkin, Anton V. & Kirti, Jagbir Singh', 48],
    ['Volynkin, Anton V.', 13],
    ['Volynkin, Anton V. & Huang, Si-Yao & Saldaitis, Aidas', 2],
    ['Volynkin, Anton V. & Karisch, Timm & Durante, Antonio', 2],
    ['Volynkin, Anton V. & László, Gyula M.', 15],
    ['Volynkin, Anton V. & Saldaitis, Aidas & Müller, Günter C.', 2],
    ['Volynkin, Anton V. & Černý, Karel', 3],
    ['Volynkin, Anton V. & Černý, Karel & Huang, Si-Yao', 10],
    ['Volynkin, Anton V. & Černý, Karel & Ivanova, Maria S.', 6],
    ['Volynkin, Anton V. & Černý, Karel & Saldaitis, Aidas', 4],
    ['Volynkin, Anton V. & Černý, Karel & Vos, Rob De', 4],
    ['Other (6)', 7]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=193)',
    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);