function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Apostolov, Apostol', 3],
    ['Dana, James Dwight', 1],
    ['Gee, J. Michael', 3],
    ['Gomez, Samuel', 4],
    ['Gómez, Samuel', 15],
    ['Gómez, Samuel & Corgosinho, Paulo Henrique Costa', 5],
    ['Gómez, Samuel & Cruz-Barraza, José Antonio', 4],
    ['Huys, Rony & Mu, Fang-Hong', 2],
    ['Huys, Rony & Mu, Fanghong', 10],
    ['Karanovic, Tomislav & Kim, Kichoon', 14],
    ['Karanovic, Tomislav & Kim, Kichoon & Grygier, Mark J.', 1],
    ['Karanovic, Tomislav & Kim, Kichoon & Lee, Wonchoel', 2],
    ['Kim, Jong Guk & Lee, Jimin & Huys, Rony', 1],
    ['Mu, Fanghong & Huys, Rony', 10],
    ['Pugh, P. J. A. & Dartnall, H. J. G. & McInnes, S. J.', 2],
    ['Other (6)', 6]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=83)',
    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);