function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Baturina, N. S. & Efstifeeva, S. S.', 4],
    ['Bemmoussat-Dekkak, Soumya & Abdellaoui-Hassaine, Karima', 24],
    ['Ge, Xinyu & Wang, Yinchang & Wang, Beixin & Sun, Changhai', 3],
    ['Ito, Tomiko & Nozaki, Takao', 3],
    ['Karaouzas, Ioannis', 7],
    ['Khettar, Sihem & Haouchine-Bouzidi, Nawel', 8],
    ['Malicky, H.', 12],
    ['Malicky, H. & Ivanov, V. & Melnitsky, S.', 4],
    ['Malicky, Hans', 3],
    ['Mey, Wolfram', 16],
    ['Mey, Wolfram & Malicky, Hans', 24],
    ['Oláh, J. & Johanson, K. A.', 273],
    ['Pandher, Manpreet S. & Kaur, Simarjit & Parey, Sajad H.', 22],
    ['Prommi, Taeng On', 4],
    ['Sipahiler, Füsun', 8],
    ['Other (21)', 29]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=444)',
    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);