function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Ito, Tomiko & Nozaki, Takao', 4],
    ['Kaur, Simarjit & Garima, Deepti & Pandher, Manpreet Singh', 3],
    ['Malicky, H.', 9],
    ['Malicky, H. & I, St. & D, V.', 2],
    ['Malicky, H. & Ivanov, V. & Melnitsky, S.', 2],
    ['Malicky, Hans', 12],
    ['Mey, Wolfram & Malicky, Hans', 8],
    ['Oláh, J. & Johanson, K. A.', 73],
    ['Oláh, János & Johanson, Kjell Arne', 2],
    ['Oláh, János & Johanson, Kjell Arne & Barnard, Peter C.', 283],
    ['Pandher, Manpreet Singh & Kaur, Simarjit & Garima, Deepti', 5],
    ['Pandher, Manpreet Singh & Malicky, Hans & Parey, Sajad H.', 7],
    ['Thawarorit, Kitiya & Sangpradub, Narumon & Morse, John C.', 5],
    ['Wells, Alice', 5],
    ['Zhang, Ao & Zhou, Xin', 2],
    ['Other (6)', 6]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=428)',
    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);