function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Bemmoussat-Dekkak, Soumya & Abdellaoui-Hassaine, Karima', 3],
    ['Houghton, David C.', 1],
    ['Katsuma, Nobuyuki', 9],
    ['Laudee, Pongsak & Malicky, Hans', 3],
    ['Malicky, H.', 12],
    ['Malicky, Hans', 5],
    ['Malicky, Hans & Ivanov, Vladimir D. & Melnitsky, Stanislav I.', 1],
    ['Malicky, Hans & Laudee, Pongsak', 9],
    ['Malicky, Hans & Melnitsky, Stanislav I. & Ivanov, Vladimir D.', 1],
    ['Mey, Wolfram & Malicky, Hans', 2],
    ['Oláh, János & Johanson, Kjell Arne', 3],
    ['Pandher, Manpreet Singh & Kaur, Simarjit & Garima, Deepti', 1],
    ['Paprocki, Henrique & Franca, Diogo', 4],
    ['Rasmussen, Andrew K. & Harris, Steven C. & Denson, Dana R.', 1],
    ['Yang, Lian-Fang & Hu, Ben-Jin & Morse, John C.', 2],
    ['Other (1)', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=58)',
    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);