function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Borges, Paulo A. V. & Gaspar, Clara', 2],
    ['Cline, Andrew R. & Audisio, Paolo', 1],
    ['Cline, Andrew R. & Carlton, Christopher E.', 3],
    ['Dasgupta, J. & Pal, Tarun Kumar & Hegde, V. d.', 1],
    ['Grouvelle, A.', 1],
    ['Herger, Peter & Germann, Christoph', 2],
    ['Herger, Peter & Germann, Christoph & Uhlig, Manfred', 1],
    ['Jelínek, Josef & Audisio, Paolo', 3],
    ['Jelínek, Josef & Leschen, Richard A. B. & Hájek, Jiří', 7],
    ['Lasoń, Andrzej & Ghahari, Hassan', 10],
    ['Majka, Christopher & Webster, Reginald & Cline, Andrew', 9],
    ['Pentinsaari, Mikko & Anderson, Robert & Borowiec, Lech', 1],
    ['Stefanelli, Silvia & Della Rocca, Francesca & Bogliani, Giuseppe', 6],
    ['Webster, Reginald P. & Webster, Vincent L.', 2],
    ['Zhao, Mengjiao & Huang, Min & Yang, Xingke', 2],
    ['Other (2)', 2]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=53)',
    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);