function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Broad, Gavin R.', 126],
    ['Ghahari, H. & Jussila, R.', 2],
    ['Ghahari, H. & Schwarz, M.', 4],
    ['Ghahari, Hassan & Jussila, Reijo', 1],
    ['Karimi, Soroush & Ghassemi-Kahrizeh, Akbar & Hosseinzadeh, Abbas', 1],
    ['Kolarov, J.', 26],
    ['Korenko, Stanislav & Schmidt, Stefan & Schwarz, Martin', 1],
    ['Mifsud, David & Farrugia, Lucia & Shaw, Mark R.', 3],
    ['Moreno, Alejandra González - & Bordera, Santiago', 1],
    ['Riedel & Pénigot & Schwarz & Diller & Johansson & Japoshvili, G.', 8],
    ['Riedel, Matthias & Ameri, Ali & Talebi, Ali Asghar', 1],
    ['Schwarz, M.', 28],
    ['Schwarz, Martin', 63],
    ['Schwarz, Martin & Holy, Kamil', 3],
    ['Verheyde, Fons & Jacobs, JEffrEY & Dekoninck, WOUTEr', 3],
    ['Other (2)', 2]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=273)',
    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);